Season 2 picks up where Season 1 left off, moments after the launch of the tactical nuclear weapons triggered by Murphy. It's every man for him/herself. Our Heroes split up as they try to outrun the impending blast. Citizen Z finds himself battling thawed zombies and unable to communicate with the team. In a desperate attempt to help them out on their quest to get to California and the CDC, Citizen Z issues an on air bounty for Murphy. Suddenly everyone wants a piece of the Murphy, including a mysterious and deadly bounty hunter, Vasquez.