The Ryusoulgers are sent 65,000,000 years into prehistoric Earth, during the time of the dinosaurs! After encountering members of the very first Ryusoul Tribe, they start to uncover the secrets behind the origins of their people and their Kishiryu partners. However, when Gaisoulg and their ancestors seek to take over the world, what will become of the Ryusoulger's mission to save the future by fighting in the past?!