When a bottle of pills goes missing from the Doctor's surgery, Harry Grout is worried that investigation of the theft by the prison authorities will jeopardise some of his activities. Grout insists that Fletcher must find the pills and return them before the warders can take action.
| Name | Type | Role | |
|---|---|---|---|
| Dick Clement and Ian La Frenais | Writer | ||
| Sydney Lotterby | Director |