Zeheart joins the Mobile Suit Club and helps Asemu and his friends build a new mobile suit. However, Zeheart is actually a Vagan spy. When his allies learn that the Gundam can only be in the Asuno Estate, they task Zeheart with the job of infiltrating the premises. Zeheart is successful in locating it. When the championship of the Colony's Mobile Suit Battles arrive, the Vagan attack the Asuno Residence, hoping to claim the Gundam. Asemu runs home to save the Gundam, but can he make it in time? And why do the Vagan want the Gundam so badly?