Nine strangers from diverse backgrounds are abducted and imprisoned together in a large, isolated house. Upon waking, they are informed by an unseen captor that only one of them will be allowed to leave alive, with the sole survivor winning a cash prize of five million dollars. As the group faces the grim reality of their situation, paranoia and suspicion begin to tear them apart. The captives must navigate a web of manipulation and desperation, struggling to uncover the reason behind their confinement while deciding how far they are willing to go to ensure their own survival.