After escaping a military complex amidst the zombie apocalypse, B roams the streets of a very changed London. Once again, B must find a way to survive amongst brain-eating zombies and those who have seized control of the city. Danger lurks around every corner and there is no one to trust. B is faced with a decision: join the creepy Mr. Dowling in exchange for his protection? Or keep going solo, in a world gone mad with hunger?