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.