Having realized that the Six Heroes are being held captive at Explorers Headquarters, Liko and the others launch a rescue operation together with Amethio. The operation is proceeding smoothly as they make their way into the headquarters, but they then suddenly find Rubella and Indi standing in their way! Liko's Carbou and Amethio's Soublades take them on; Will they be able to overcome this challenge by working together?!