S3 • E6 Jul 10, 1972 50m
7.1
Doomwatch's attention falls on the Weatheroak Hall Medical Research Unit, where mentally ill patients are being given computer treatments as a way of improving their conditions. When Anne Tarrant investigates, she discovers that there are side effects to the process, and that an apparently well-balanced patient can respond violently to a single phrase, and soon a manhunt for a 'rehabilitated' multiple murderer begins.
