丹普斯肯恩（克里斯多夫·李维 饰）一直是位受尊敬的警探，表面上生活美满，妻子盖儿和弟弟尼克却私通已久，将他蒙在鼓里。一次突击中，丹普斯伤及脊椎，导致下半身瘫痪。绝望沮丧之余，他计划了一个诡异的方法，要让盖儿与尼克拿到他的寿险金，但结果却是盖儿与尼克身亡。资深警探莱哈特（乔伊·蒙泰格纳 饰）认为事有蹊翘，便着手调查发现许多疑点，他怀疑丹普斯假装瘫痪，于是将案子交给政风处，准备控告丹普斯，然而经过一番斗智较劲后，法官却因证据不足宣布撤销此案，莱哈特便……

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.