At the beginning of a zombie apocalypse, chaos reigns as Rose loses her family. Ryan struggles to get his bearings and a desperate man finds a new guise.

William, Sun, and Barbara attempt to drive to the stadium, but it's tougher than they thought. They find themselves blocked by both living marauders and roaming undead.

Rose, Spears, Ryan, and Lance learn they're not alone and are schooled on the dangers of following the heart instead of the head.

Forced to fend for themselves, the survivors left behind must improvise and watch out for both the dead and the living.

Trapped in an abandoned diner, William and Sun must decide if they can depend on the survivors from the truck as their alliance is tested.

The desperate yet determined group risk a daring hit on a weapons stash, but the pandemonium threatens to swallow them.