A lonely criminology professor attempts to solve the mystery behind five murders by decoding the puzzle of five Pythagorean theorems, in a crime story that features renowned French actor François Cluzet in a key-role.
When Helen is bored, horrible things happen around her.
Max, a young artist, can't climax. She exhibits a sculpture and her friends make fun of her. Trying to liberate her sexuality she will lose herself in her fantasies where a black horse is hiding.