Desperate to prove his father innocent of treason, a secretary arranges a clandestine assignation with his employer's wife in order to get the proof he needs. But the plan goes awry when he becomes implicated in her sudden death.
as Alan Herriot
as Sir Julian Weyre
as Lady Avril Weyre
as Judy Weyre
as Robb
as Effie
as Lord Carnforth
as Sir Arthur Harding
as Inspector Marsh
as Dr. Rudd
as Boxall
as Martin