Jolan, having triumphed in the trials set by his new master Manthor, is now the Chosen One. At last his true mission is revealed: no less than storming Asgard in order to restore the immortality of Manthor's mother, a goddess who was cast out! While he leads his army of rag dolls to the realm of the gods, Thorgal follows the trail of the Red Mages who kidnapped his other son, Aniel, the child he had with Kriss of Valnor.
