A secretive Kung Fu clan in modern times is attacked by the evil spirit Dai Shi. With their master dead and one of their members possessed by the evil spirit, three Kung Fu adepts search for new masters and new abilities to defeat the evil force before it can destroy the world. Under the tutelage of the easygoing RJ, the three students become Power Rangers. Using animal Kung Fu techniques, they battle the army of Dai Shi known as the Rinshi.