Jean Preston is determined to find her fiancée, Greg Jones, who went on a safari and didn’t come back when expected. She travels to Akbar, India with Greg’s father, Colonel Jones, Wayne Monroe and the Professor. She asks about Jones at the front desk of the hotel where she stays.

Imprisoned during the Spanish Civil War, John "Kit" McKittrick is released when a New York City policeman pulls some strings. Upon returning to America, McKittrick hears that a friend has committed suicide, and he begins to smell a rat. During his investigation, McKittrick questions three beautiful women, one of whom has a tie to his refugee past. Pursued by Nazi operatives, McKittrick learns of the death of another friend, and begins to suspect the dark Dr. Skaas.

The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of scientists working on an atomic rocket development project. Behind the killings is fortune teller Sombra, a spy from an Asian country intent on world domination, who is determined to pilfer the atomic rocket by luring workers from the project to her parlor and killing them with black widow spider venom when they refuse to cooperate.

William 'Frank' Cavanaugh is a top football coach who gave up his career to enter WWI where he became a hero. After the war he went back to coaching where he ended up having one of the best winning percentages in football history.

A veteran, Joe Hilton, returns from the war to find that his brother Jeffrey Hilton, a gangster, has been killed. His quest for revenge leads him to take over his brother's illegal operations but his sweetheart, Lynn Turner, persuades him to change his ways and return to the straight and narrow.

A carnival showman tries to keep Japanese spies from sabotaging the Panama Canal.

A treasury agent on the trail of counterfeit money confides to fellow ocean liner passenger, Charlie Chan, that there have been two attempts on his life.

A U.S. pilot undergoes plastic surgery and drops into Japan to get a captive scientist's (Marc Cramer) atomic secrets.

London, 1761. St. Mary's of Bethlehem, a sinister madhouse, is visited by wealthy people who enjoy watching the patients confined there as if they were caged animals. Nell Bowen, one of the visitors, is horrified by the deplorable living conditions of the unfortunate inhabitants of this godforsaken place, better known as Bedlam.

A lonely child, neglected by her parents, encounters and befriends a German Shepherd, but she's unaware the animal is a military dog being trained for service in WW2.