A deliveryman finds a wealthy couple in their house, tied to chairs, stabbed and wearing wooden masks. It looks like ritual murders committed 15 years ago. Maybe Christina arrested the wrong man then.

A dad's been beaten unconscious at home and his autistic son's missing. One or two crimes?

A brewery owner's blood is found on his office floor. His body is later found elsewhere - dead by hanging. Is his family involved?

Clara and a man are shot outside her house. Clara is the wife of the man, who killed Rabe's daughter in a car accident. Rabe's DNA is at the crime scene. He asks T for help.