When the Guyver, an alien life form, adopted the body of young Sho, it endowed him with super powers, and propelled him into an ongoing war with a secret organization. Now Sho and the girl of his dreams find refuge in a secluded cave, until renegade Hyper-Zoanoid Aptom appears to tell Sho the awful truth about his father's death. When Sho's trauma keeps him from transforming into the Guyver, Aptom performs some unlicensed therapy.