In this taut psychological thriller, the tension is palpable when Will shows up to his ex-wife Eden and new husband, Davids dinner party. The pairs tragic past haunts an equally spooky present: Amid Edens suspicious behavior and her mysterious house guests, Will becomes convinced that his invitation was extended with a hidden agenda. Unfolding over one dark evening in the Hollywood Hills, this film blurs layers of mounting paranoia, mystery, and horror until both Will-and the audience-are unsure what threats are real or imagined.