Wendy Graham, Graham Family's adopted daughter, goes camping. Trapped by a rainstorm, she dreams of Giant Mutant Toads attacking. She saves adoptive mother Sharon Graham, but pushed to the toads as bait. Her dream comes true. Facing Graham family cruelty, she allies with Liam Zane, the Live-in Son-in-law. They fight for survival amid Giant Mutant Toads and human malice. Evil Deeds Bring Self-Destruction; they escape alive.