After a traumatic accident during a hypnosis seance, young psychiatrist Louise opens a new office in the middle of nowhere. When she starts analyzing Theo, a dark and mysterious man, people around her start to die.
After his wife allegedly commits suicide, Vincent starts behaving very strangely, throwing away the weapon and moving the body, leading the police to start asking questions.
The daughter of one of the architects who built the Eiffel Tower gets framed for a murder that has taken place there, so she and her girlfriend embark on a quest across Paris to solve the mystery.