A hapless vacuum cleaner salesman is given super-strength by a Martian as a means of testing humanity.

When a small-time gambler named Ace discovers that his friend has the power of telekinesis following an accident, he decides to exploit those powers so he can become a millionaire in Las Vegas. However, when Jimbo starts experiencing headaches after continually helping his friend win his jackpots, he decides to teach Ace a lesson.