A beautiful woman, Sandra, seduces a wealthy businessman, Miles Rennburg. Little does he realise that she has been sent to kill him at the behest of her boyfriend/crime partner, Lester. Controlling all this is Sue, Lester's wife.
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.