Hercules is summoned to oppose the evil Queen Samara, who has allied herself with aliens and is sacrificing her own people in a bid to awaken a moon goddess.

Jeffrey Haywood wants to marry to Virginia Embrey. However, Virginia refused to marry unless her older sister, the hard-to-please Angelica gets married first. Angelica, in turn, finds every man she knows too dull and predictable, and for this reason prefers to stay single. Jeff then tries to make Angelica interested in the mild-mannered and timid Reggie Irving passing him off as a notorious playboy to intrigue her. He asks his friend Polly to teach Reggie “how to treat a woman right”, but he turns to be a disastrous learner.

Sadie Martin owns a riverboat that is frequently used by miners traveling to their claims. During their trip, the miners drink and gamble. Sadie's daughter, Helen, is unaware of her mother's work because her mother sends her to boarding school in order to live a lifestyle more attributed to the upper-class. Unfortunately for Sadie, she is facing difficulty maintaining the costly riverboat. She is soon forced to sell the boat in order to make ends meet.