When an amnesiac wanders into their lives, Frank and Lu must work out what happened to him.
Quest roles:
Roberta Taylor(Gloria Fonteyn), Patrick Baladi(Alfred D'Angelo), Martina Laird(Claudia Farrel), Tomos Eames(DS Joe Keeler), Tia Bannon(Izzie Farrel), Francis Johnson(Leon Jones), Jack James Ryan(Darren Morgan)