Eben Foster, a seasoned FBI agent, is after a cruel and sadistic serial killer with a lust for torturing and murdering gay men. All of the victims are former patients of Dr. Randy McQuaide, a prominent psychologist practicing sex therapy on Anteros Island, and all had accused the doctor of sexual misconduct. Agent Foster goes undercover on the island. As the investigation progresses, Eben finds himself drawn to the handsome man and, against his better judgment, he begins to doubt the doctor's guilt. Caught in a battle between his heart and his mind, will Eben become the killer's next victim?