A gateway opens in the sky and from their, come five hideous creatures. Four arms and built for power and speed, these are the GRAKKEN...and they are killing machines. The group, camping in the wilderness, is surprised as Deake crashes their camp. Deake fills them in with what he knows. He explains that he has the power to close the gate and end the zombie menace. The teens come across a family living in a secluded house. Things appear safe...for the moment.