Eric, a former commando, has his nights haunted by nightmares. Are all these nightmares related to the trauma of his mission? The only real mission of his military life had been a complete success, both technically and operationally, but he had not been happy with the human consequences, which had led to his resignation.A will intrudes in his mind, every night, making him relive an episode of his life. The visitor seems to want to teach him things, including a strange-sounding language. To find serenity, Eric decides to go on a solitary hike in the mountains. It is there that he is captured by ionized mists. He regains consciousness in another world, to be the Mage of the Black Tower.Who organized this capture and for what purpose?