The young Bronze Saints reunite before they decide to invade Mars' stronghold in order to rescue Aria. The teenagers carry out their plan, finding strong opposition in the enemy lines. During a moment of desperate need, the Bronze Saints receive the assistance of Söma who rejoins them, stronger than before, thanks to further training under Jabu, the legendary Unicorn Bronze Saint. The Saints reach Aria's chambers, only to find she has left. Not all is lost, as Söma is able to retrieve the Southern Cross Clothstone after defeating Sonia.