Dempsey Cain is an honored cop, a loving husband and father, and mentor to his handsome younger brother. Then a drug dealer's bullet paralyzes him for life and Dempsey's world is shattered. Suddenly, his wife and brother seem to care less about him than for each other, and a million-dollar insurance.

The legendary Power Rangers must stop the evil space pirate Divatox from releasing the powerful Maligore from his volcanic imprisonment on the island of Muranthias, where only the kindly wizard Lerigot has the key to release him. The hope of victory lies in the Ranger's incredible new Turbo powers and powerful Turbo Zords.