In late 1941, with no hope of relief or re-supply, a small band of United States Marines tries to keep the Japanese Navy from capturing their island base.
A medicine man on the last show boat on the Mississippi is mistaken by two gangsters as a bootleger, and has to envade them.
Two men searching for black pearls are marooned on an island when their crew mutinies. There they run into a beautiful girl who had been washed up on the island in her childhood. They must fight angry natives and a typhoon in order to survive.
An Army colonel leads a guerrilla campaign against the Japanese in the Philippines.