In Kishiryu Sentai Ryusoulger Ep. 1: Que Boom! Ryusoulger!, The mark of valor that has been passed down by legendary prehistoric knights from generation to generation, are now being inherited by three new warriors from their own Masters! inheriting the legendary RyuSoul Sword means that they are tasked with defending the Earth, as Ryusoulgers!
At the same time, the deadly prehistoric Warfare Tribe Druidon descend from outer space and begin their invasion of Earth once again! Bringing with them colossal creatures known as Mynasaurs, can the Ryusoulgers stand up against their destructive power?