Los Angeles has been overtaken by a virus known as Sudden Death Syndrome, a disease that causes its victim to die suddenly and has only one symptom... spontaneously breaking into well-choreographed song and dance.

The Hendersons, an upwardly mobile Seattle family, bring home what they believe to be a dead Bigfoot. But he has only been wounded by a hunter, and the Hendersons offer the creature who they come to call Harry a temporary home until a recovers his health.

The Hendersons, an upwardly mobile Seattle family, bring home what they believe to be a dead Bigfoot. But he has only been wounded by a hunter, and the Hendersons offer the creature who they come to call Harry a temporary home until a recovers his health.