When the evil Warstar aliens attack Earth, the supernatural guardian Gosei, assigned to protect the Earth by Zordon, and his faithful robot assistant Tensou recruit five teenagers with attitude to combat the invading forces.
When one of Metal Alice's robots malfunctions, Emma and the Power Rangers decide to adopt it and teach it the values of friendship and freedom.
The Rangers must race to save the day when Metal Alice plots to throw the city into chaos by derailing a passenger train.
Admiral Malkor awakens from his cocoon stronger than ever and determined to destroy the Power Rangers.
The Rangers’ victory over the Warstar aliens is short-lived when they discover Metal Alice has turned Vrak into a powerful and menacing cyborg.
When Cyborg Vrak, Metal Alice and the Messenger launch a vicious attack against the Power Rangers, it will take all their powers and abilities to save the earth.