Shift Into Turbo, Part I.After the events of Turbo: A Power Rangers Movie, the Rangers are graduating Angel Grove High. Justin offers a healed Rocky the Blue Turbo Ranger powers, so he can resume his life as a Power Ranger; however, Rocky chooses to end his career as Zeo Ranger III. In the meantime, Divatox has amassed an army to get revenge on the Rangers, having her subcraft take up residence in Angel Grove lake. She places a detonator in the Angel Grove Power Plant in order to take revenge on the Rangers and ruin their graduation. With the older Rangers busy with their graduation, Justin must face the problem alone.