Allie (Stefanie Scott) has a secret relationship with Justin (Samuel Page), who is an older but charming guy. What she does not know is that he is married to Sabrina (Anna Camp) who, upon discovering the affair enlists her reluctant sister Paige (Amelia Rose Blaire) to help kidnap Allie. Intended as a prank, the situation goes out of control as Allie fights for her life.