Signalman, an officer from Planet Police, comes to Earth to take charge in taking down Gynamo and the Bowzock...while simultaneously causing nothing but problems for the Carranger.

With the other Bowzock fearing Signalman, Zonnette and a revived UU Urin head to Earth to trick him by manipulating him to fight against the Carranger, leading to trouble for both Kyosuke and Youko.