Snagglepuss escapes from his cage, dons a Southern gambler's costume and mingles with passengers aboard the SS St. Louis Lou.

Captain Caveman is the titular hero of the cartoon series of the same name, he is a caveman brought back to life in the modern age who fights crime and injustice with the aid of his band of mainly female friends: he is armed with a large club and is famous for his battle-cry of "CAPTAIN CAVEMAN!".

Hildy, the journalist former wife of newspaper editor Walter Burns, visits his office to inform him that she’s engaged and will be getting remarried the next day. Walter can’t let that happen and frames the fiancé, Bruce Baldwin, for one thing after another, to keep him temporarily held in prison, while trying to steer Hildy into returning to her old job as his employee.