It has been 50 years since the disappearance of the legendary space pirate crew, Kaizoku Sentai Gokaiger. On one fateful day, you discover the legendary Gokai Galleon, the ship sailed by the Pirates. Inside the ship,you found a treasure box containing all previous 49 Super Sentai Ranger key, 5 blank Ranger key and the Transformation cellphone Mobilates.

You decide to continue their legacy, and set journey across the galaxy. But will it be alone, or with your crew you will encounter soon?