The team digs deeper into Gerry Cooper's life and criminal record. Jess and Sunny make contact with his widow, Juliet. As they uncover darker layers about the suspects, no one is as innocent as they first appear.

This award-winning cold case crime drama follows veteran London detectives who uncover the truth behind tangled, complicated murders from the past. The deeper the truth lies, the bigger the emotional toll for the suspects, the families left behind, and for the detective inspectors themselves.