Kwon Do-hun is an affectionate husband and father, but he is always late or absent at every family event because of h...

Even after meeting Chief Oh, Yu-ra can hardly discard her suspicions. Meanwhile, Do-hun prepares an event at a luxury...

Yu-ra and Chief Oh encounter again at the hotel suite Do-hun booked. Do-hun attends his daughter's school play and me...

Do-hun learns the truth while searching for the sniper who injured his colleague during a mission. Wolfe becomes the ...

Chief Oh notices the gunshot wound on Wolfe and recalls someone. Yu-ra gets a call and hears a voice she had long for...

Do-hun is troubled after getting unexpected information about Chief Oh. Yu-ra comes face-to-face with the mysterious ...

Jo Tae-gu knows about Yu-ra's past, and his subtle threats make her anxious. Do-hun and Chief Oh try to read each oth...

Tae-gu consents to leave Korea on one condition. Do-hun finds a picture while tracking down Chief Oh and gets assigne...

The NIS senior/director calls Do-hun and asks if he found the sniper that killed Butterfly and where that bullet hit ...

The childhood history of Yu-ra and Tae-gu.

The story when Do-hun first met Yu-ra.

An intruder breaking into Chief Oh’s house while she’s asleep. Fortunately, she hears the intruder approaching to att...