Nearly three decades after the rage virus broke free from a biological weapons lab, a strict quarantine remains in place. Despite this, certain groups have adapted to survive among the infected. One such community resides on a small island linked to the mainland by a solitary, heavily fortified causeway. When a member ventures into the perilous mainland on a mission, he uncovers chilling secrets, astonishing phenomena, and terrifying mutations affecting both the infected and other survivors alike.