11 Guest are summoned to a castle by a multi billionaire named Francisco Petty who use to be their drug plug. He wants to play a dangerous game where three will die and the others who survive the night win ten million dollars minimum.

Harper, a cold-blooded assassin, botches a hit on the wrong target. Hunted by her employer, she's forced to confront her past trauma. Follow her descent into darkness as she tries to survive and escape the consequences of her actions.