The three Tribes of the Daos Empire - Shura, Dai and Gorma - were peaceful until the Gorma set out to conquer the planet, launching a magical war between the Gorma and Dai Tribes that lasted for centuries. In the end, both civilizations were lost... until now. The evil Gorma have returned. Now, it's up to Master Kaku to assemble a team of kids with high levels of Ch'i to become the protectors of the Earth known as the Dairangers!

A high school girl, Izumi Gojo, who has been found guilty of murder, falls into the sea and disappears when running away from the police. However, a mysterious group rescues her and had her undertake training to transform her into an assassin. Years later, Izumi seeks to escape the group.