In 2028 Detroit, when Alex Murphy - a loving husband, father and good cop - is critically injured in the line of duty, the multinational conglomerate OmniCorp sees their chance for a part-man, part-robot police officer.

A woman is held captive in a futuristic smart house and hopes to escape by breaking into the computer programs that control the house.

In the colorful future, a cab driver unwittingly becomes the central figure in the search for a legendary cosmic weapon to keep Evil and Mr Zorg at bay.