Nelly stages a lock-in at The Palm Tree, where he confronts a regular about their role in Jody’s disappearance. Season finale.

New Year’s Eve celebrations are cut short when a masked man stabs a woman in her own home. Jack and the team must uncover the identity of the mystery murderer…

In the wake of the war, patriotism corrupts one of Albert Einstein’s closest friends, Fritz Haber, pitting them against each other.