A young girl, Mary Tillet, is forced to find a new place to live due to her London home being bombed during World War II. Her tobacconist landlord, Jack Rawling, tries to help her turn her new apartment into a home. Meanwhile the newspapers are reporting news of the "London Blackout Murders," a murder spree being committed against a ring of suspected Nazi spies, and Mary must determine if her kind landlord is an assassin.

• Republic Pictures
• John Abbott
• Mary McLeod
• Lloyd Corrigan
• Lester Matthews
• Anita Sharp-Bolster
• Louis Borel
• Billy Bevan
• Lumsden Hare