Profiler Park Hae-young hears a man calling his name through a discarded two-way radio. The voice starts talking abou...

The statute of limitations is lifted after the suspect's arrest. Hae-young joins Soo-hyun's team for the newly establ...

Reality changes after Hae-young exchanges information with Jae-han. Hae-young tries to work together with Jae-han in ...

The ninth victim is Won-kyung, the woman Jae-han loves. A driver turns himself in, but Soo-hyun and Jae-han determine...

Hae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-...

Seeking vengeance for the events that lead to the death of his daughter, Kyung-tae commits a kidnapping after getting...

Jae-han arrests Se-kyu for the serial burglary case, but the culprit is freed after serving a short sentence; Kyung-t...

Soo-hyun and Hae-young notice a connection between the burglary case and Da-hye, the woman who killed herself twenty ...

Hae-young learns that Chi-soo and Jae-han met in 1999 during a case in Inju. After serving time for the crime, Hae-yo...

The bodies discovered in the mountains appear to be more victims of the 1997 serial murder case. Jae-han learns that ...

Hae-young and Soo-hyun arrest Jin-woo after coming to the conclusion that he is the killer. Hae-young asks Jae-han ab...

Hae-young becomes a suspect for the murder of Chi-soo. Jae-han realizes who the principle offender of the attack on H...

Soo-hyun and the others mourn after confirming that the remains belong to Jae-han. Hae-young learns that Jae-han used...

Hae-young realizes the possibility that his brother could have been murdered after learning from Hye-seung that Sun-w...

Hae-young is arrested for the murder of Chi-soo. Soo-hyun hears Jae-han apologizing over the radio for not being able...

Hae-young is in critical condition after being shot while meeting with Sung-bum. In 2000, Jae-han has been captured b...