In September 1942, the German Afrika Korps under Rommel have successfully pushed the Allies back into Egypt. A counter-attack is planned, for which the fuel dumps at Tobruk are a critical impediment. In order to aid the attack, a group of British commandos and German Jews make their way undercover through 800 miles of desert, to destroy the fuel dumps starving the Germans of fuel.

Roger Willoughby is a renowned fishing expert, who, unbeknownst to his friends, co-workers, or boss, has never cast a line in his life. One day, he crosses paths with Abigail Paige, a sweetly annoying girl who has just badgered his boss into signing Roger up for an annual fishing tournament.

An unhappy middle-aged banker agrees to a procedure that will fake his death and give him a completely new look and identity – one that comes with its own price.

While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.

Convinced that a wartime resistance heroine is innocent of a murder charge, Nap Rumbold, a solicitor / private detective travels to France searching for evidence to clear her name.