A troubled woman on the edge of divorce returns home to her younger sister after years apart. But when her sister and brother-in-law betray her trust, she embarks on a vicious crusade of revenge.

After a young woman witnesses a mob hit, a seasoned assassin and his psychotic partner must track her down before she turns them in, but she proves to be the hardest mark to kill.

The world is full of zombies and the survivors have barricaded themselves inside a walled city to keep out the living dead. As the wealthy hide out in skyscrapers and chaos rules the streets, the rest of the survivors must find a way to stop the evolving zombies from breaking into the city.