Six troubled high school students and their chaperon, an optimistic youth ministries Pastor, return from an outdoor character building retreat in the mountains. During a raging storm, their bus crashes, hopelessly stranding them in the middle of the Trucker's Triangle, a forgotten locus of consummate evil in the middle of nowhere.

When young art gallery owner and mother Kayla Anderson finds herself drowning in work and in need of help planning her daughter Kerry's big upcoming Sweet Sixteen bash, she hires pretty, spirited party planner Lindy Shores to help out, having no clue that Lindy is unstable and recently murdered her husband, and will stop at nothing to make Kerry a daughter of her own.