This advanced mystery for ages 16 and up, suitable for 1 to 6 players, follows an FBI investigation into a potential serial killer targeting winners of a free birthday trip to the Bellagio Hotel in Las Vegas. When one victim is left alive, new connections emerge linking all the victims to past assault allegations, raising the question of whether the killer is acting as a vigilante. Players must uncover if the survivor was left intentionally and whether this clue will finally expose the killer.