A baby is found abandoned in the Chief's van, following an explosion at an airport. The Chief suspects that the child's mother was the intended victim of the attack, and plans to make her come forward, using the baby as bait.

A string of deaths at a convalescence home leads the Chief to go undercover as a patient, whose two children (Fran Belding and Ed) hint that they wish he were "no longer their problem". It soon appears that violence and murder are considered due care by certain members of the staff.