Coming out from jail, Lucas has decided to change his life and behave like a good citizen. But when he is taken hostage in a bank by a hare-brained robber, no cops can believe he is not part of the action.
The film begins with a flashback from the titular character, Antoine. We are introduced to his fixation with female hairdressers which began at a young age. The film uses flashbacks throughout and there are frequent parallels drawn with the past. We are unsure what Antoine has done with his life, however, we know he has fulfilled his childhood ambition, to marry a hairdresser.
An inexperienced young actress is invited to play a role in a film based on Dostoyevsky's 'The Possessed'. The film director, a Czech immigrant in Paris, takes over her life, and in a short time she is unable to draw the line between acting and reality. She winds up playing a real-life role posing as the dead wife of another Czech immigrant, who is manipulated by the filmmaker into commiting a political assassination.
