When a mysterious mecha decoy leads to a global assault by killer whale machines, the Science Ninja Team races to protect ISO facilities from destruction. But as former allies are reborn as Galactor's deadly new strike force--the Blackbirds--the true war is only beginning. A mysterious mecha appears in the desert, prompting the Science Ninja Team to investigate--but it's a decoy, hiding a much larger threat: a coordinated swarm of killer whale mechas attacking ISO facilities worldwid! As the G-Team scrambles to stop the attacks, a group of former trainees--Mara, Jace, Keiko, Haruto, and Marcus--undergo a ruthless transformation into Galactor's new elite force, the Blackbirds. The war with Galactor is only just beginning.