A bookmaker with a fancy for detective work attempts to prevent the execution of a potentially innocent man.

A British policeman (John Gregson) tries to find a rich man’s (Alec Clunes) son before a kidnapper’s (Robert Shaw) time bomb blows.

During the 15th century reign of France’s King Louis XI, a young Scottish man is sent by his English Lord to woo a French lady on his behalf. The plan…