The night before their high school graduation, Jessie and her 老友记 are guided 由 a 'Find My iPhone' app to recover her 迷失 device from a house whose demented tenants are hell bent on making her a flesh and blood member of the family.
During a weekend getaway to Joshua Tree, a group of teenagers find themselves falling prey to a 邪恶力量 creature that targets them to complete a vicious ancient ritual.