The Cat Gang is a group of precocious British kids. They have a habit of hanging around a grown-up customs official who wishes that they'd beat it. But the Gang comes in handy when a smuggling gang arrives on the scene.

Giovanna and Franco are lovers pretending to be brother and sister in order to con unsuspecting marks while staying in the most luxurious locales throughout Europe. In their travels, they come across the beautiful Christina, a girl who is being threatened by her brother, Sergio, in order to get the family fortune. But as Giovanna and Franco delve into their story, the double-crossing begins, and no one is sure who is getting tricked.

Dr. Fred Steele (Umberto Orsini) and Eve Barnett (Maya Brent) work together at an astronomical station on a bucolic island. The station's scientists learn they must deal with a rogue planet -- "The Outsider" -- that has entered the solar system. which must be controlled by an alien intelligence… Professor Benson's(Claude Rains) expedition discovers a race of humanoid creatures dead...