Brandon, a respected street fighter, is forced to flee the city after his brother is murdered and the money that was supposed to be paid back to a local gangster is stolen. While lying low at his father's house in a small Southern town, Brandon soon gets involved in the local underground cage-fighting circuit. With the help of Drake Colby, a former MMA champion, Brandon devises a scheme to bring a massive payday, if they are able to survive.

After visiting his father in Arkham Sanitarium, young Howard Lovecraft accidentally uses the legendary Necronomicon to open a portal to a strange frozen world filled with horrifying creatures and a great adventure.