A listless granddaughter, Chance Sinclair (Avery Konrad), is sentenced to live with her tyrannical grandfather, August (Timothy V. Murphy), after a violent incident at school and begins to question the source of her family's immense wealth and power. When Chance's cunning mom, June (Annette Reilly), hires a troubled chef, Sydney (Johnathan Lipnicki), to poison August, the family's monstrous secrets are revealed over the course of one bloody night. Every soul is up for grabs as The Sinclair Family Games Night gets underway and Chance learns that being apart of this family is a blood-in, blood-out proposition.