Colin challenges King Racko's new battleship, "Imperial tiger," with various tactics in order to get the datum. He is blasted by the front cannon of Racko's ship. Thunder Jet feels responsible in Colin's death and wants to go fighting King Racko. But, Cobin, Colin's son, opposes T.J.'s sortie and volunteers to command the attack force. Racko's fleet continues to destroy Go-Jo's troops. T.J. is frustrated of worsening situation and forces Sishin to agree his command at the front.