Allie’s secret relationship with Justin–a charming older guy–is the highlight of her otherwise mundane teenage life; but, unbeknownst to her, he’s married. When his wife Sabrina discovers the affair, she enlists her reluctant sister to help kidnap Allie. Initially meant to be a prank, the situation spirals out of Sabrina’s control, leading her down a destructive path as she scrambles to salvage her picture perfect marriage, all while Allie fights to stay alive.