The City of Duels remains under siege, and Gideon's peace has been shattered by the malicious machinations of Giga Professor Franklin! As Ray and Rook draw ever closer to a fateful showdown with a former friend, Marie moves in hot pursuit of the dastardly fiend, only to be stopped in her tracks by Veldorbell, the King of Orchestras. Pushed to the brink, she has no choice but to play her full hand and reveal her biggest trump card... But what kind of catastrophic consequences will this artistic clash have for the city at large?