Police surgeon Dr. Geoffrey Brent decides to take a personal interest in Jim Clark, a juvenile delinquent who is beginning to make repeat appearances at the police station. Aware that his home life is less than ideal, the Doctor helps get young Jimmy off the hook for stealing money from a vending machine. Later, they bump into one another in a cafe, whereupon the Doctor takes the opportunity to play guidance counselor. Just as he ""patient"" is beginning to respond to the ""treatment,"" even demonstrating his improvement by thwarting the efforts of a group of punks to swipe a violin from an old derelict, he is re-arrested for the vending machine theft.

• Sydney Newman

• William Shatner
• Stefanie Powers
• Ian Hendry