While reliving an adolescent tradition of holding an epic eight-movie marathon on the eve of a seeing their favorite band, best friends Billy and Neil discover that their hotel has been overrun with the undead. Unable to escape and low on munchies, the duo must strike back and make a bold last stand against the ever-increasing zombie horde. And while rational-minded Billy struggles to decipher reality from paranoia, the easily excitable Neil gets to live out his lifelong dream - to executive the perfect zombie-survival strategy.