When a group of friends decide to challenge the limits of fear by playing "City Sleeps", a game known for its sinister reputation, they inadvertently trigger a series of supernatural events. What began as a brave adventure quickly turns into a nightmare when they discover that one of the group is cursed by the game itself. Now, to break the curse and save their own lives, they must engage in a deadly game of cat and mouse, where every move could mean the difference between life and death. With fate uncertain and terror lurking around every corner, they face the agonizing unknown of who will be the next victim or the next killer.