Medical student Ted Grey graduates at the top of his class and quickly joins an elite pathology program, whose top students invite him into their circle. There he uncovers a gruesome secret: They play a game in which one tries to commit the perfect, undetectable murder, then the others compete to determine the victim's cause of death.
Nick Hume is a mild-mannered executive with a perfect life, until one gruesome night he witnesses something that changes him forever. Transformed by grief, Hume eventually comes to the disturbing conclusion that no length is too great when protecting his family.
After losing everything, a young fish, Pi, goes to live with his family on the Reef. There he meets the love of his life but finds that she already has the unwanted affections of a bully shark. He must follow his destiny to save her and rid the Reef of this menace for good.