It should be a quiet Sunday night shift, but with a suicidal radio DJ, a quest to save the work of a doctor's lifetime and Ameer's stalker to deal with, the gang have their work cut out.

Cath, Rhian and Ameer try to discover why Simon is convinced of his own early demise. Simon helps Sister Alice with a special secret project.

Ameer questions whether he puts his faith and the faith of others aside in order to save lives. Alun battles with his urge to satisfy his desire for a forbidden fruit.