When the undead overrun San Francisco, a desperate group survives by locking themselves inside Alcatraz Prison. But when the dead invade the island, they must gamble everything on finding a way to stop the zombie scourge.
When the undead overrun San Francisco, a desperate group survives by locking themselves inside Alcatraz Prison. But when the dead invade the island, they must gamble everything on finding a way to stop the zombie scourge.
