Due to an accident, Tae Poong only has the mental capability of a seven-year-old. Yu Jung, his next-door neighbor, ha...

Kyung Hee sends Tae Poong home with Dae Chul from the hospital. Yu Ra finds out that she wasn’t offered the DJ positi...

Kyung Hye meets Ji Yeon through a marriage matchmaking service. She likes her right away and introduces her to Tae Po...

Tae Poong’s mother meets Ji Yeon at the welfare center and invites her to dinner. Ji Yeon seems like the best possibl...

Yu Jung finds Tae Poong alone as she planned and takes him to a motel to spend the night. She intentionally lets her ...

Yu Ra’s parents are devastated to find out that Tae Poong is the father of Yu Ra’s baby. Yu Jung senses something is ...

Yu Ra wants to marry Tae Poong before Jun Seok wakes up. Yu Jung keeps asking Yu Ra about what happened that day, and...

Sook Ha scolds Yu Jung for ruining Yu Ra’s wedding. Tae Poong realizes he has feelings for her twin sister, Yu Jung, ...

Yu Ra decides to register her marriage as soon as possible, and Kyung Hye wants to be there. As Yu Ra is about to sub...

Jun Seok’s younger brother, Mr. Kim, tells Yu Ra to get a paternity test after she gives birth. She tries various met...

Ji Seok insists on getting a paternity test on the baby immediately. Sang Hyeon thought he had given up on finding Su...

Hwa Yeon realizes that Ji Sook is alive, so she orders Mr. Koo to never let her regain her memory. Yu Ra questions he...

Yu Ra continues to delay registering Min Woo's birth certificate since she finds out that Kyung Hye's company is in a...

Sang Hyeon goes to see Woo Seok at his office and at home. Hwa Yeon tries to stop him from seeing her husband. Kyung ...

Yu Ra finds out the foundation her mother-in-law has been donating to has been going through turmoil, so she tells he...

Yu Ra is worried about what Jun Seok will tell her mother-in-law. Sang Hyeon's family rushes into the hospital to see...

Kyung Hye is arrested for a hit-and-run because there was a witness who testified against her. Sang Hyeon dies, and h...

Kyung Hye gets arrested again because of Yu Ra's testimony. Yu Ra tries to fabricate Kyung Hye's will and obtain owne...

Tae Poong struggles to accept the changes that occur now that Kyung Hye and Yu Ra are gone. Yu Ra leaves Min Woo and ...

Tae Poong gets the dashcam footage from the lady next door and takes it to the detective. Unfortunately, Detective Ch...

Tae Poong wakes up with Savant syndrome and realizes he has higher intelligence than the average person. He changes h...

Yu Ra can't stop thinking that Min Hyuk is Tae Poong, so she tries to find out the truth herself. She invites him to ...

Hwa Yeon is grateful to Yu Ra for saving her life, so she treats Yu Ra to a meal and likes what she sees. Tae Poong a...

Yu Jung finally encounters Tae Poong. Ever since Yu Ra saved Hwa Yeon's life, they've rapidly become closer friends. ...

Yu Jung's mother leaves a note saying she plans to kill herself and goes missing. Her family looks all over the town ...

Min Hyuk falls into Yu Ra's trap and eats a salad with shrimp powder on it, put there by Yu Ra. He barely manages to ...

Seo Jun is at the bar with Min Hyuk when he hears Yu Jung's voice somewhere in the room. Afterward, he continues to s...

Yu Ra finds President Ko's son as she planned, and he wants to repay her for it. She uses the chance to win Seo Jun's...

One of DL Group's subcontractors had a contract canceled, so he holds up a sign in front of the company. Woo Seok bri...

Na Young shows up in front of Yu Ra. Na Young threatens Yu Ra with her past so she could be selected as a successful ...

Yu Ra tells Seo Jun's parents that she wants to move in with them after the wedding. Min Hyuk meets the prosecutor th...

Min Hyuk realizes that DL was behind his mother's death, so he tries to find a way into the group. He finds a connect...

Min Hyuk finds out that Yu Ra was behind Shin So Young's false testimony. Chief Kang ends up keeping his job, but Min...

Min Hyuk becomes the chief legal officer of DL Group. He meets Yu Jung as he's dealing with the abusive customer from...

Yu Jung wakes up with a serious headache. She remembers how she acted last night and regrets it, feeling embarrassed....

Min Hyuk plans to make Seo Jun and Yu Jung meet again to separate Yu Ra from DL Group. Sook Ja is offered a part-time...

Min Hyuk helps Yu Jung prepare for the DL special recruitment contest so that he can make her and Seo Jun meet. Seo J...

Seo Jun and Yu Jung finally meet after five years, but they don't have much time to catch up before the important onl...

Yu Ra gets furious after Seo Jun stands her up. Seo Jun introduces Yu Jung to Min Hyuk as his first love. Yu Jung wor...

Yu Ra rushes into Seo Jun's hotel room, thinking he was cheating on her. She realizes she misunderstood, and Seo Jun ...

Seo Jun wants to explain his situation to Yu Jung, but she won't listen. Yu Ra tries to stop Seo Jun from getting a d...

Yu Ra finds out that Seo Jun had feelings for Yu Jung, so she quibbles over her relationship with Seo Jun. Yu Jung te...

Min Hyuk takes Yu Jung home safely after the accident. As she gets home, she hears about Tae Poong's death, and she's...

Yu Jung gets herself together and goes back to work. Seo Jun was worried about her but decided not to ask her about i...

Dong Ho safely returns home. Yu Jung's team works on a collaborative project, so Seo Jun, Yu Jung, and Ye Jin meet th...

Min Hyuk decides not to tell Yu Jung that he's Tae Poong to prevent Seo Jun from finding out and getting hurt. But he...

Yu Jung believes that Min Hyuk is actually Tae Poong and keeps asking him to tell her that he is Tae Poong, who she w...

Min Hyuk goes to find Yu Jung to tell her everything about what has happened to him so far. However, to everyone else...

Yu Ra tells Seo Jun that she's never getting a divorce. He tries to act up and hurt her feelings so that she'll give ...

Yu Myung gets arrested for design theft. However, it turns out that the design belongs to DL Group, and the company h...

Yu Ra goes to her parents' house and screams at Yu Jung, claiming that she flirted with Seo Jun, her husband. Sook Ja...

Ju Seol tells Yu Jung that he'll sue her. It turns out Yu Ra told Sook Ja to send her the pictures of Ju Seol's noteb...

Ju Seol gets a phone call from Hwang Jin Sung and accepts Yu Jung's apology. Seo Jun realizes that Yu Ra is hiding so...

Na Young keeps coming to talk to Seo Jun, which makes Yu Ra feel threatened. Na Young asks Yu Ra for a job or at leas...

Yu Ra threatens Tae Poong and says he must cooperate if he doesn't want Seo Jun to find out about the relationship be...

Min Hyuk sends a thermal mattress to Hwa Yeon so that Dae Chul can find out where Yu Ra lives. Yu Jung wants to quit ...

Min Hyuk tells Dae Chul that he's not Tae Poong. He keeps digging into Yu Ra's past to force her out of Seo Jun's fam...

Tae Poong finally goes to Dae Chul and explains the situation. Dae Chul promises to convince Yu Ra to come clean, but...

Yu Ra tries to dig into the truth about Tae Poong's death after her gynecologist told her she was Tae Poong. Yu Jung ...

Dong Ho and Sook Ha suddenly disappear, and everyone falls into panic. Yu Jung asks Yu Ra about Dong Ho's whereabouts...

Min Hyuk tells Yu Ra that he's Tae Poong. All family members of Yu Jung learn the truth of Min Hyuk's identity. Yu Ra...

Tae Poong gives Yu Ra the last chance to come clean, but she decides to fake an accident to get him arrested instead....

Yu Ra shows Seo Jun the picture of Yu Jung and Min Hyuk. Seo Jun goes to Min Hyuk in custody to ask in person and fin...

Seo Jun ends up helping Min Hyuk get released from the police station. He asks Min Hyuk to break up with Yu Jung. Min...

Yu Jung is shocked to find out that Seo Jun knows about her and Tae Poong. Meanwhile, Yu Jung's mother is frantic aft...

Yu Jung and Tae Poong decide to break up with each other due to the circumstances. Dong Ho gets lost and ends up call...

Seo Jun tells his family that he's divorcing Yu Ra. The whole family is shocked, and Yu Ra tries to stop the divorce....

Dong Ho is suspected of having leukemia, so the doctor runs a few tests. He's diagnosed with acute lymphocytic leukem...

Min Hyuk tells Dong Ho that he can call him his father so that Dong Ho will shave his head for chemotherapy. Woo Seok...

Tae Poong is shocked when he finds out that Dong Ho isn't his biological father. Still, he asks Yu Ra to take the bon...

Dong Ho finds a match, but the donor can't do it because she recently found out that she's pregnant. Yu Jung's family...

Yu Ra leaves the hospital to avoid Seo Jun, but Dong Ho dies while waiting for the transplant. Everyone, including Yu...

Tae Poong talks to Jun Seok about his big plan of taking Yu Ra down. Jun Seok agrees to the plan because he resents h...

Jun Seok is attacked in bed, and Tae Poong rushes in to rescue him. They fail to catch the attacker, but Tae Poong kn...

Yu Jung decides to date Seo Jun in order to take revenge on Yu Ra for Dong Ho's death. Tae Poong wants to stop her, b...

Yu Jung goes to Seo Jun's house and tells his parents that Dong Ho wasn't her child. She asks for their permission to...

Hwa Yeon hears that Seo Jun was with Yu Jung when he was beaten up. She slaps Yu Jung and tells her to leave. Yu Jung...

Yu Ra returns to Seo Jun's house once again and tells his family that she's pregnant. Seo Jun can't remember anything...

Hwa Yeon prevents Woo Seok from seeing Su Hee's face. Yu Jung sees Yu Ra taking cold medicine and doubts that she's p...

Yu Jung tells Seo Jun about Yu Ra's fake pregnancy. Seo Jun takes the recording to Yu Ra and interrogates her. But Yu...

Yu Ra kidnaps Yu Jung so that she can find out where she hid Min Woo’s things. Yu Jung refuses to answer, while her f...

Tae Poong asks around to find Yu Jung and rescues her. Yet she loses consciousness and sees Seo Jun at the hospital w...

Yu Ra provides proof of her pregnancy to a reporter to get rid of the rumors. Su Hee’s store wins Store of the Month,...

Yu Ra brings Su Hee to her house so that she can get Hwa Yeon to confirm her pregnancy in front of a reporter. Yu Jun...

Yu Jung rushes to the hospital as soon as she hears that Tae Poong has collapsed. She asks Su Hee not to tell him tha...

Yu Ra tells Seo Jun that the fabrication of the trending topic and the article about the gynecologist were both writt...

Min Hyuk and Yu Jung get back together after the misunderstanding is resolved. Hwa Yeon tries to get Mi Ri to break u...

Sang Tae decides to look into the past hit-and-run case that killed his brother, Sang Hyeon. Seo Jun notifies Su Hee ...

Su Hee faints the moment she sees Woo Seok. She’s sent to the hospital. He visits the hospital to see her again, but ...

Woo Seok is bitter after he realizes he has mistaken Su Hee for Ji Sook. Meanwhile, Seo Jun finds out something stran...

Su Hee gets hit in the head, but she’s not badly hurt. Min Hyuk learns that the text message that called her out was ...

Dae Chul tells Yu Jung that the woman he was having an affair with is her mother. Yu Jung comes to accept the fact. C...

Seo Jun tells Yu Jung, Yu Ra, and Min Hyuk that he knows Yu Jung and Yu Ra are sisters and that Min Hyuk is Tae Poong...

Hwa Yeon is moved to the hospital after getting hit by a van. The doctor diagnoses that she’s paralyzed from the wais...

Yu Ra finds out that Hwa Yeon has been lying about her legs. Once again, she makes a deal with Hwa Yeon and manages t...

Woo Seok crashes into a truck on his way to see Ji Sook, and he lapses into a coma due to a cerebral hemorrhage. Hwa ...

Dae Chul tells Su Hee he’s been raising her child, who he found on the mountain 31 years ago. Su Hee and Yu Jung fina...

Yu Ra goes to the police station with Tae Poong to confess she lied five years ago. Sang Tae learns his brother’s pos...

Yu Ra tries to break out of the asylum. Hwa Yeon manages to be released from prosecution. Seo Jun registers as a chai...

As Yu Jung persuades a major stockholder to change his mind, Hwa Yeon chooses to join hands with Yu Ra. With Yu Ra’s ...

Woo Seok tells Hwa Yeon he’ll divorce her. Seo Jun and Woo Seok make up with each other. Yu Ra finally hears the news...

Yu Ra tells Hwa Yeon that Min Hyuk is Tae Poong and asks for the foundation in return. She also finds out that Jun Se...

Tae Poong and Sang Tae get evidence of Mr. Koo’s past crime. Mr. Koo and Chang Beom are finally arrested, and Tae Poo...

Seo Jun dies from the accident, and everyone is in mourning. Yu Ra is hiding after she hit Seo Jun, and she reaches o...

Yu Ra desperately waits for her match to show up, but things just won’t go as she’d hoped. Tae Poong stands in court ...