Seventeen-year-old Alex is hiking through the wilderness when it happens: an earth-shattering electro-magnetic pulse that destroys almost everything.
Survivors are divided between those who have developed a superhuman sense and those who have acquired a taste for human flesh. These flesh-hunters stalk the land: hungry, ruthless and increasingly clever.
Alex meets up with Tom, a young army veteran, and Ellie, a lost girl, and they will fight together and be torn apart. Alex must face the most difficult question of all: in such vastly changed world, who can you trust?