A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship, finds a ship from planet Mongo seeding the atmosphere with dust. Sure enough, Ming the Merciless is up to his old tricks. So it's back to Mongo for Flash, Dale, and Zarkov.

To avoid the rigors of the law, Gilda flees New Orleans and hides on a Caribbean island where the worst criminals can ask for asylum. Besieged by the scum of the earth, Gilda will soon find out that she has found refuge in hell.

Tycoon J.L. Higgins controls his whole family, but one of his sons- in-law, Dan Brooks and his daughter Alice are fed up with that. Brooks quits his job as manager of J.L.'s paper box factory and devotes his life to his racing horse Broadway Bill, but his bank- roll is thin and the luck is against him, he is arrested because of $150 he owes somebody for horse food, but suddenly a planed fraud by somebody else seems to offer him a chance...

1940 film directed by Michael Curtiz