Claudius has ruled wisely for a year with the support of Messalina, whom he deeply loves. Convinced of her devotion, he is totally unaware that she is deceiving him.

Cast: Derek Jacobi, Sheila White, Bernard Hepton, John Cater, Moira Redmond, Lyndon Brook, James Faulkner, Sam Dastor, John Bennett, Norman Eshley, Geoffrey Hinsliff, Bernard Hill, George Little, Neal Arden, James Fagan