Nox makes plans for his attack on the dragon Grougaloragran, who in the meantime attacks Ruel, Percedal, Amalia, and Evangelyne. Yugo meets his dragon brother Adamaï.

Yugo and Adamaï set on a journey to find Grougaloragran's egg. Amalia, Evangelyne, Percedal, and Ruel travel towards Sadida Kingdom to warn its inhabitants about Nox's plans to attack them.