In Paris in the late 1800s, with hypnotism as a popular form of entertainment, a strange murder case captivated the world. Gabrielle Bompard claims to have been hypnotized on numerous occasions since childhood, and everyone from her lovers to her family doctor concur that she is very susceptible to suggestion. When she is captured after having worked with Michel Eyraud, kills a man, and then lives on the run, her defense is that she can not be held responsible for her part in the crime, because, not only was the murder Eyraud's idea, but he had a hypnotic power over her, and she was not a