Three days into the apocalypse, former virus developer Dale is infected but keeps alive with C-7 inhibitors. He enters a brutal camp with his son Noah. Camp doctor Carla recognizes him as the one who created the virus. The camp leader forces him to retrieve a hard drive from the infected zone. Father and son escape north with five doses left. Noah discovers his father was the cause of the disaster. The lab holds a cruel choice—Noah himself is the cure.
