Paris, France, 1942, during the Nazi occupation. Robert Klein, a successful art dealer who benefits from the misfortunes of those who are ruthlessly persecuted, discovers by chance that there is another Robert Klein, apparently a Jewish man; someone with whom he could be mistakenly identified, something dangerous in such harsh times.
In 19th century London, a sex maniac sneaks into the engagement party of Dr. Henry Jekyll and Miss Fanny Osbourne, turning the event into a nightmarish whirlpool of murder and debauchery.
Lulu models for a young painter who tries to seduce her. When her husband enters the room he dies from a heart attack. Lulu marries the painter, who commits suicide when he finds out that she has been having a long standing affair with Dr Schon and whose son gives her a job. Lulu kills Dr Schon and goes to London to live with his son. Eventually, she becomes a prostitute and dies a victim of Jack the Ripper.
