A zombie outbreak has finally happened, and it is a fight for survival. A sister and brother team up to get their families to a safe and secure place. They run into dangerous and challenging situations that make them think of new ways to survive. They figured out how to get by the zombies and only by accident did they find it. When they used a radio station to broadcast for other survivors, they find a scientist and a doctor, and with the help of the doctor and scientist, they create a resistance to the virus. Their quest for survival takes them on a dangerous and action-packed adventure across the US in search for a cure. They run into some pretty strange people that put them into some situations that no sane person would want to be in. Together they fight zombies, other survivors, and the government; and with the help of their family and friends, they continue to search for answers.