Everyone's favorite novice wizard, Harry Potter, continues his high-flying adventures at Hogwarts. This time around, Harry ignores warnings not to return to school - that is, if he values his life - to investigate a mysterious series of attacks with Ron and Hermione.
Mike Sullivan works as a hit man for crime boss John Rooney. Sullivan views Rooney as a father figure, however after his son is witness to a killing, Mike Sullivan finds himself on the run in attempt to save the life of his son and at the same time looking for revenge on those who wronged him.
When a virus leaks from a top-secret facility, turning all resident researchers into ravenous zombies and their lab animals into mutated hounds from hell, the government sends in an elite military task force to contain the outbreak.