When warriors from a distant Star System arrive on Earth and start attacking random civilians, the Kyurangers are at a mystery. Just who are they, and what are they up to? Stinger certainly has his suspicions, which soon turn out to be true. The warriors are from the Aquarius System, and they're not exactly known to be friendly towards anyone outside of their system. Especially the people from the Scorpius System. To make things more complicated, Stinger already has a certain history with some of the warriors.