People living at a seashore town are frightened by reports of an unknown creature called "the sea devil". Nobody knows what it is, but it's really the son of doctor Salvator. The doctor performed surgery on his son and now young Ichtiander can live under water. This gives him certain advantages, but also creates a lot of problems.

A high priest tries to force a young beauty to marry a pearl trader who is masquerading as the god Balu.

Pacific pearl diver Duke Slade escapes angry natives by joining a whaler whose dying captain persuades him to marry his daughter who is already being wooed by the first mate.

Two brothers, one wanted for murder, are shipwrecked on an island inhabited by nubile young women who have amassed a valuable cache of pearls.

A once-thriving village is in dire need of women to help with diving duties. Times are tough and the current diver is definitely no spring chicken, so the mayor’s son finds some beautiful maidens to fill the position. The arrival of the new recruits gets a rise out of the village’s male members.

Documentary about Japanese pearl fishers.