Join Thorgal in this graphical adventure, confronting gods and men in a dangerous quest to protect his loved ones. While Aegir, god of the sea, is unleashing his fury off the coast of the northern lands, Thorgal Aegirsson is courageously trying to make his way back to his island, where his family awaits him. Thorgal resigns himself to waiting out the storm before continuing on his way and seeks shelter in a small Viking village.

It is here that he meets an old man named Noral who shows him a magic mirror that reflects Thorgal's future. The vision itself is a terrible one, Thorgal is on the verge of killing his own son, Johan, with a bow and arrow.

The quest will take him to the limits of time and space to solve the mystery of this disturbing vision. The famous Viking hero must return home immediately to dispel the evil that has befallen his family. Thorgal is based on the comic strips of Rosinski and Van Hamme.