Inventor Harry Harper travels to the South Seas, where there is buried treasure belonging to a girl, Beverly West. Naturally, others are after the loot, and Beverly's father is being held captive by cannibals until she returns to them with a pearl that belongs to one of their idols. The climax consists of Harper saving Beverly from a safe which has been lowered into the sea.
Harry Houdini
Harry Harper
Jack Brammall
Tom Starkey
Lila Lee
Beverly West
Wilton Taylor
Job Mourdant
Eugene Pallette
Guy Mourdant
Ed Brady
Captain Black
Taylor N. Duncan
First Officer Murphy
F.A. Turner
Mr. West
