Soon after the events of the first Getta Robo series, Earth finds itself under attack by the Hyakki (Pandemonium) Empire and its fleet of horned battle robots. In response to the threat, the Getta labs re-fit their chief weapon: three advanced jets, capable of merging into three distinct robots. These are Getta Dragun (Star Dragon) the most powerful and oft-used formation; Getta Rygar (Star Arrow) designed for speed and aerial combat; and Getta Poseidon (Star Poseidon) built for strength and aquatic battle.
100 miles north, a bit east and up, is Flåklypa... home of bicycle repairman Reodor Felgen and his two assistants - Solan Gundersen, morning bird and natural born optimist, and Ludvig who is a true pessimist.
After spending decades living in the shadow of his more famous and successful sibling, Consulting Detective Sigerson Holmes (Wilder) is called upon to help solve a crucial case that leads him on a hilarious trail of false identities, stolen documents secret codes.