Mag Launcher is the son of two great adventurers. He does everything in order to be worthy of his famous parents. With the help of Linear Cannon, the young girl he is in charge of since her parents death, and three others adventurer friends, he will discover the ruins of an ancient high-tech civilization. Exploring the ruins is the start of a huge adventure where the heroes have to use the CYBERFRAMES, relics from this past civilization. A struggle to the death ensues with their enemy in order to be the first to discover the ultimate CYBERFRAME.