A woman travels to England to attend her parents' funeral. She is told by officials that they died of natural causes together, but she doesn't buy it. She comes to suspect that the nurse who took care of her parents was involved in their deaths, but since the nurse is well thought of in the town, no one believes her. What she doesn't know is that her parents' killer has selected her as the next victim

A wealthy woman funds an underwater expedition to explore for marine life, but what she doesn't know is that her "colleagues" have other intentions.

Greedy heirs wait in a mansion for a rich cat lover to die, only to learn her cats come first.

Michael Lanyard, a reformed cracks-man, adopts Adrienne, the daughter of an old friend, and goes to Southampton to attend a party celebrating her engagement to Bobby Crenshaw, the son of a wealthy society couple. The Count and Countess Polinac, international jewel thieves, also attend the party, and Count Polinac forces Lanyard to open the safe containing the jewelry of the guests by threatening to expose Lanyard's criminal past. Lanyard forestalls the count, however, and protects the valuables. The count and countess are arrested, and Michael's secret is kept safe.

Former jewel thief Michael Lanyard toys with a princess and a grand duke.

Rigby, Larribee, and Grant each have one third of Bill Joyce's map locating his gold mine. The three plus Joyce's sister Helen head for the mine. An accident with a runaway horse carrying supplies leaves them stranded in the desert with very little water.

After retiring from movies to get an education, a man discovers his ex-staff is trying to have him expelled.