Unforgivable S01 E06 Episode 6

"An unforgivable crime that stares directly into the darkness of the human heart."

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.