Three years after the zombie virus has gutted the United States of America a team of everyday heroes must transport the only known survivor of the plague from New York to California, where the last functioning viral lab waits for his blood.
Mild-mannered high school chemistry teacher Walter White thinks his life can't get much worse. His salary barely makes ends meet, a situation not likely to improve once his pregnant wife gives birth, and their teenage son is battling cerebral palsy.
Bank robber Seth Gecko and his violent brother, Richie, are on the run -- a robbery gone bad left several people dead -- and the FBI and Texas Rangers are in pursuit. As they head for Mexico, the brothers meet the Fuller family heading the same way.