and Juliaz, discover in the woods, the corpse of Doctor Bare, shot in the head. The constables go to the victim's house and discover that his home has been completely searched. They nevertheless find a manuscript written by the doctor that had escaped the vigilance of the criminals. This document forms a story of which the bloody death of the doctor is only the epilogue. The revealing gesture Dr. Bare's manuscript begins with his reunion with Jean Lebris, who had been presumed dead for France in June 1918. The latter tells the doctor that after a battle during which he lost his sight, he was taken by Germans to a doctor experimenting a new ophthalmological treatment. It is by taking advantage of the discontent of his jailer that he was able to escape and return to his home town. As John returned to his mother's house, Dr. Bare observed him through the window and witnessed an incredible scene that made him doubt the young man's real blindness: at the last stroke of noon, he looked at his watch and set it back on time. Jean Lebris' adventure A couple of weeks later, while the doctor is examining Jean for his worsening cough, he meets Madame Lebris' new tenant, a young girl named Fanny, and is immediately seduced. The doctor finally learns Jean's secret, when he surprises him in the woods: surprised, the young man turns around and points his gun at the doctor hidden behind a bush. Learning that the doctor is his friend Dr. Bare, Jean sets out to tell him the truth. He reveals to her that after being wounded in the battle of Dormans, German soldiers have taken him to a clinic in a forest in central Europe. Blinded, he was treated by Dr. Prosope, who removed his eyes and replaced them with new ones. When he wakes up from the operation, Jean manages to see a being of light in front of him despite the blindfold on his new eyes. Doctor Prosope explains to him the principle of his new vision: for a normal person, the eye is connected to the brain by the optic nerve, which transmits to the brain the light impressions that the eye has received. By replacing John's eyes with organs that allow him to see electricity, electroscopes, he can see the nervous system of people, even through walls. Following the argument