When the spoiled son and newest wife of a billionaire patriarch plot to murder him, they form a psycho-sexual bond with their brutally handsome hitman as they kill and kill (and kill) in their quest for wealth and recognition.
During a Whiton University's pledge week, the carefree partying turns deadly when brutal murders start befalling the students, sending Ellery into a race against time to uncover the truth behind the school's dark secrets and the horrifying meaning of a recurring symbol: a single exclamation mark.