Two police officers encounter and are killed by a strange man who is actually a Zoanoid created by the Cronos organization. The Zoanoid stole three Guyver units from the organization and is now being pursued by them. During a confrontation between Chronos troops and the Zoanoid named Malmot, the units are scattered through the area, where Sho and Tetsuro are. The two find the unit and Sho activates it, becoming Guyver I.