In a small village, an innkeeper finds an abandoned newborn and decides to adopt him. Some years later, it turns out that the boy, Yugo, has a rare magical power of creating portals.
When residents of his village are turned into trees, Yugo decides to look for a cure. He is accompanied by his new friends: Percedal - a warrior looking for adventures, Ruel - a greedy treasure hunter, Amalia - a princess able to control plants, and Evangelyne - an archer and Amalia's guardian.
Yugo and his friends are looking for a map which would help them in their journey. They visit a market to try and buy it, but the shops are attacked by a mysterious Black Crow.
When Yugo and his friends discover that a village of small and weak creatures known as Puddlies is terrorized by big and strong Taures, they decide to defend the villagers.
Yugo and his friends find themselves in a town where all residents are possessed. Soon Evangelyne is kidnapped by a vampire and the rest of the group have to rescue her.
Amalia is attacked by a poisonous plant and falls ill. Yugo and Ruel go look for an antidote while Percedal, Evangelyne, and a healer called Nausea fight Amalia's doll which goes crazy and becomes aggressive.
A baker named Xav is attacked by a monster and loses the entire supply of his special flour. With a baking competition about to take place, Yugo and his friends decide to help Xav win the title of the master baker.
A courier informs Yugo and his friends that big fortunes are disappearing all over the world. Ruel decides to visit his home and check whether his treasure is safe, and the rest of the group follows him.
Yugo and his friends need money in order to buy a boat and continue their journey. When Ruel is reunited with his old Gobbowl teammates, he decides to participate in Gobbowl championships to make some money.
Time-controlling Nox visits Yugo's father in his inn. Meanwhile, Yugo and his friends are attacked by a mysterious stowaway while sailing towards Oma Island.
After getting shipwrecked on an unknown island, Ruel and Percedal try to repair their boat while Yugo, Amalia and Evangelyne are captured by hostile natives.
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.
Amalia and her friends arrive in Sadida Kindgom, where prince Armand rules while the king is temporarily absent. Soon Percedal gets into a fight with Sadida warriors.
After Percedal's attack on prince Armand, Ruel is arrested and Amalia is confined to her quarters. Helped by master Joris she escapes, and together with Evangelyne travels to the Tree of Life to warn her father about the impending attack from Nox.
In search of Grougaloragran's egg Yugo and Adamaï arrive at Dofus Island. While working on improving Yugo's magic skills they are attacked by Nox's pet Igol.
Percedal buries his possessed sword Rubilax, whom he blames for their attack on Evangelyne and prince Armand. Brokenhearted, he goes to a desert to visit his master's tomb.
Yugo and Adamaï meet the guardian of Grougaloragran's egg, but he is reluctant to believe their story. It turns out that the guardian's daughter adopted Igol not knowing how dangerous he is.
