Watch Online Free Putlocker. When Cooper, a member of a resistance group, fails to return from a mission, his younger brother Axel leaves the safety of their holdout to find him. His friend Callum and his partner Lily join him, and together they venture into the lawless world beyond their colony. Their search takes them through abandoned settlements and dangerous territories controlled by cannibals, ritualistic clans, and people who worship the creatures that emerged after the outbreak.