Unforgivable S01 E11 Episode 11

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

After being released from the jail, Chen Yong Ren holds an entire eatery hostage with a gas cylinder. He demands the police to clear him of his attempted rape and murder charges from over 20 years ago. SOD is roped in to investigate. The team re-interview all individuals involved in that case. Meanwhile, police at the hostage scene brings in Yong Ren's daughter to help.