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.