14th century. On the snowfield of a remote mountain in France. The wandering juvenile Grimpow found a confidential letter written in strange language and a strange stone on the dead body of a knight templar. The moment he grabbed the stone, shining light flashes before him. And the illiterate Grimpow understood the There is shadow and light in the sky. Ador Billbiken . Strasbourg What does it mean? Who is Ador Billbiken and where is Strasbourg? So Grimpow began his journey to solve the puzzle with the stone. From city to countryside, from the shabby monastery to the untraversed old castle. A centuries long journey that has driven sane men crazy, turned peaceful men to violence, and made strong men powerless. No man has ever unlocked its secrets. But no boy has ever tried.