Ryūhō, the son of the legendary Bronze Saint Dragon Shiryū returns to the Palaestra after a short absence. The young Saint apprentices are subjected to a strict training to master their Cosmo element. Kōga is later forced to battle Ryūhō in an intense element-to-element duel.

Kōga and friends continue their trek to take Aria to safety, when they're surprised by the attack of Hound Miguel. Overpowered by the merciless Silver Saint, the lives of the Bronze Saints are saved by the timely arrival of Andromeda Shun, the Saint of legend. Shun takes the youngsters to his village to rejoin Ryūhō, afterward they're once again attacked by Miguel, whom they manage to defeat after a fierce battle. Later, the young Saints leave Shun's village to continue their mission.