Eddie, a pensioner, spends much of his time in a betting shop working out his half-crown accumulators. After a win of forty pounds he is found strangled in his own home. His grandson, who lived with him, is missing. Would the boy murder his own grandfather? Why is he trying to leave the country with forty pounds in his pocket? Guest stars Kenneth Colley, Glyn Jones, Daphne Heard, Paddy Joyce and Jay Neill.