Mr. Hammer runs a bankrupt Florida hotel. He'll try anything to make money, even make love to rich Mrs. Potter. But his main scheme, selling real estate, is in danger of sabotage from zanies Chico and Harpo, who also reduce the schemes of a pair of jewel thieves to chaos. A subplot involves the star-crossed love of Polly Potter and architect Bob Adams.

在一艘将要开往美国的轮船上，四个偷偷混上船的小伙子为了逃避船员的耳目，无意间卷入了两个原本不合的强盗团伙的火拼中。当船到了美国之后，其中一个强盗绑架了另外一个强盗的女儿——这个时候，我们的三脚猫英雄又要担负起拯救世界的使命啦！