Unforgivable

Yifan joins SOD successfully. His first case is a serial killing where the perpetrator has the habit of stealing the victim’s shoelace as his trophy. This modus operandi leads SOD to believe that it is connected to a sexual crime committed 10 years ago. As they try to search for clues from both cases, the perp kills again. This time, he did not wait for 10 years.

Shu Ya discovers the serial killer is using his pet dog to lure the victims, after which he assaults them. They find a suspect following this clue. However the suspect is exceptionally cunning, denying it all. Shu Ya engages in a battle of wit against him.

Shu Ya entrusts a marital rape and domestic violence case into Guan Lin’s hands, hoping she can handle it professionally. Unfortunately, Guan Lin brings her personal feeling into the case yet again, failing to be objective. Tension rises as their belief system clashes.

A maid goes to the hospital seeking medical attention. The doctor suspects she was sexually assaulted and reports it to the police. However, she leaves the hospital before the police gets there. SOD tries to seek her out and discovers that she is taking care of a dementia old man, raising confusion on who is the real vulnerable party?

Guan Lin initiates an investigation about an elderly person being molested. Jun hao and Yifan offer their help, deepening the bond among these three. Meanwhile, SOD identifies the maid’s attacker, but the suspect schemes to persuade the maid to change her testimony. Junhao accidentally discovers that Guan Lin is using police resources to search for her birth mother.

A man is being castrated outside a bar. The team reckons this could be a hate crime or act of vengeance. As they follow the leads, they discover that the victim used to be a teacher and has a criminal record. Meanwhile, Junhao promises to help Guan Lin keep her secret.