After young Mary Gibson discovers that her older sister Jacqueline has disappeared, she leaves her boarding school and heads to New York City to track down her sibling. But Mary gets drawn deeper into the mystery.

A Martinique charter boat skipper gets mixed up with the underground French resistance operatives during WWII.

An Austrian prince flees his homeland when the Nazis take over and settles in London. He meets a beautiful Austrian émigré who makes him realize his mistake in leaving. He makes a deal with the Nazis to return in exchange for some Austrian prisoners, but discovers that the Nazis are not to be trusted.

Romance with a lovely senorita convinces a contractor to abandon his plans to take over a Mexican housing district.

When a leopard escapes during a publicity stunt, it triggers a series of murders.