Say it ain't so - Doggie is a criminal. For the first time in 10 years, Dekaranger assembles for a crisis on Earth Station. Ten years after Dekaranger saved the planet from devastation, Ban is continuing to work for the Space Police F.S. (Fire Squad). The other members of Dekaranger have all gone their separate ways. They were once said to have the best teamwork in the universe - can the six detective minds once again become a team, and fight coolly with a burning heart?

Eight years after the events of Tokusou sentai Dekarenjâ (2004), Ban continues to work for the Fire Squad while the rest of the Dekarangers have moved on and gone their separate ways. But when Doggie is convicted to be a criminal for working with the Qurlian Crime Family, The Dekarangers must find the one responsible for his framing and protect a Clementian from being hunted by the Mechanoids.