Months after the dead rise up to challenge the living for control of the earth, Steve Wendell and the survivors who fled with him by sailboat from Clearwater, Florida find themselves becalmed in the Gulf of Mexico. As their chances for survival dwindle, they come across a cruise ship drifting in the current. Seeing that the living dead only occupy parts of the ship, they decide to go aboard.

Months after the dead rise up to challenge the living for control of the earth, Steve Wendell and the survivors who fled with him by sailboat from Clearwater, Florida find themselves becalmed in the Gulf of Mexico. As their chances for survival dwindle, they come across a cruise ship drifting in the current. Seeing that the living dead only occupy parts of the ship, they decide to go aboard.