Blind detective Duncan Maclain gets mixed up with enemy agents and murder when he tries to help an old friend with a rebellious stepdaughter.

A British intelligence agent must track down a fellow spy suspected of being a double agent.

Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..

A movie serial in 12 Chapters: US naval officer Don Winslow is given command of Tangita Island, near Pearl Harbor, where a ring of saboteurs is trying to destroy ships carrying supplies to the troops stationed in the islands and sabotage the war effort under orders from an unknown leader.

Two federal agents do not believe an atomic-bomb threat is just another war game.

A diabolical tale of romance, murder, and mistaken identity as a treacherous terrorist organization hunts an enemy agent with the intention of killing him, but instead they set their sights on the wrong man. Left in the wake of their mistaken pursuit is a trail of broken lives and brutal murders.

Mandrake and Lothar battle enemy agents who have kidnapped the beautiful Princess Narda to force the magician to assist them locate a counter-intelligence agent who possess vital information.