TOM MASTERICK, A DOCK WORKER, IS WRONGFULLY CONVICTED OF A MURDER CHARGE. HIS DEATH SENTENCE IS COMMUTED TO A LONG PRISON TERM. WHEN RELEASED AS AN OLD MAN, HE VOWS TO FIND THE REAL KILLER. STARRING WILLIAM HARTNELL, JIMMY HANLEY, JOHN SLATER, DINAH SHERIDAN, IVOR BARNARD.