The Sky Force sends five highly trained operatives to participate in an experiment which will expose them to Birdonic Waves, resulting in superhuman abilities. But when the Earth Ship is attacked by Vyram, the majority of the Birdonic Waves are sent to Earth and find four unsuspecting civilians. Now, it's up to these four accidental super humans – Raita, Kaori, Ako, and Gai – alongside Ryu, the only original operative to receive Birdonic Waves, to defend their dimension against Vyram.

The meteorite believed to have once killed off the dinosaurs actually rattled the Earth into two parallel universes — Another Earth and Dino Earth, where dinosaurs continued to thrive. Now they have evolved into the Saurians, a race of humanoid dinosaurs, and the Bakuryu , a race of mechanized dinosaurs. But the wall between our universes has been breached. The Evolians that have been at war with the Saurians and Bakuryu have invaded, and it's up to the Abarangers to protect the world!