The second series of the thrilling post-apocalyptic drama set in the aftermath of a devastating global virus. Abby and her mismatched family of survivors; Tom, Greg, Sarah, Naj, Al and Anya, have withstood the initial devastation of the virus, but find themselves adrift in a violent and hostile world, unsure of just who they can trust. The series finds the group holed up in the city with Abby missing and Greg dying from a gunshot wound. Survival means scavenging amid the dangerous and crumbling city and facing some difficult decisions; do they put their own lives at risk to save Greg? Should they try to find and rescue Abby?