When zombies overrun San Francisco, a desperate group survives by locking themselves inside Alcatraz Prison. When the undead breach the island, our heroes are forced to return to the mainland overrun with the undead.
One year after their father's death, Charlie and Betty continue to ignore their grief, each other, and the mysterious creature following them. Their estranged Uncle Pete, believed to be dead, claims to know how to end the suffering.
The Tough Titty is about to go under after losing a lot of money and gaining no customers. After they bring together their staff for the night to declare bankruptcy and lay offs, little do they know that around them the city is being sieged by the walking dead.