The battle against Aiolia, the Lion's Knight, ended in the discovery of the truth by the latter. Back at the Sanctuary, Aiolia is determined to hold the Great Pope to account and to make him confess his dark gestures... but it is then that another Golden Knight appears to protect the Great Pope! Meanwhile, back in China to continue his training with the Old Master, Shiryû finds himself powerless in front of the sudden arrival of Mask-de-Mort, the Golden Knight of Cancer, who came to execute the Old Master for rebellion against the Sanctuary. The true identity of the Old Master is revealed, and the stakes of this internal war take on new proportions when Saori decides to finish for good by going to the Sanctuary with his Knights of Bronze in order to restore order and put an end to the dark reign of the Great Pope. The adventure is only beginning!