When a woman rents out her college-bound daughter's room to a young woman, she doesn't realize that the girl is her daughter's vengeful high school rival.

Uma esposa contrata uma caçadora de infiéis para pegar o marido em flagrante e garantir a custódia de sua filha. Mas quando ele e a amante aparecem mortos e a caçadora desaparece, a esposa ressentida torna-se a principal suspeita.

A detective suspects that a secret dating mobile app is actually connected with the murders that have been happening in her town.