Artist Andr Fortis is the victim of a strange curse that suddenly and unexpectedly turns him into an entirely different man, with his own life, artistic styles and preoccupations, thus splitting his existence into two separate lives -- his and the Other's. Can he be cured by the mysterious Dr. Klipper who claims to have invented devices that can read the human brain through the skull like an open book? Jules Clar tie's Obsession (1908) deals with...