After some years, Global Defence Agency scientist, Dr. Nora Wakeman, is able to finally build the perfect robotic unit that would help protect the planet from any alien threat, continuing the work of her former colleague, Umataro Tenma. However one of the robots, start to manifest conscience on its own and seeks to experience human life. Soon, Tenma’s original robot, Astro, returns with Dr. Elefun, who had took him in. Soon Jenny and Astro are assigned a mission to take down Lord Deadcross, an aspiring warlord from the country of Guravia, who plans to dethrone their robotic president Rag, along with three henchman that he came across during his travels.