 Tadashi and crew soon learn that their Slader is a particularly powerful one-of-a-kind model named "Glory" and Tadashi's deceased father was its former pilot.As they continue to search for who may have designed or built Glory, a shape-shifting alien infiltrates their ship and kidnaps Azusa.In their search for Azusa and solving the mysteries of Glory, they discover a secret organization of Slader pilots that had worked with Tadashi's father.