Léto, a young trans and gay man, lives in a small, social housing apartment near Tours. During the day, he kills boredom on his phone from the ticket booth of a movie theater on its last legs. But where he's looking for feelings, he's only offered sex. So at night, he flees disillusionment by heading for the stars. The roof of his high-rise building is like his moped: a refuge, an escape. However, one morning, the parking lot of an ice rink becomes the setting for a life-changing encounter when he comes face to face with Hamza, a solitary employee with an enigmatic charm. The emotional disturbance is immediate. With all due respect to the scoundrels!.
The film's title is a pun, the double meaning referencing both the "wrong genre" and a person with distasteful motives. Insecure novelist Martial Bok promotes his new sexy novel La Fille de Dos ("Girl Observed From the Rear") with a round of book-signings and talk-shows. When beautiful hat designer Camille buys the book, Martial follows her and spies on her as she reads his book and removes her clothing. It's the beginning of his obsession and also an inspiration. After Martial's live-in girlfriend Lucie establishes contact with Camille for real, Martial is able to type out another sexy manuscript..
Le commissaire Huysmans, un flic désabusé, enquête sur les meurtres perpétrés par un tueur en série sur des prostituées et des travestis de Bruxelles. A sa sortie de prison, Bo Ancelin - un jeune homme qui a choisi de devenir femme - balade ses incertitudes sur les trottoirs de cette ville, cherchant à obtenir les faveurs du beau Johnny dont il ne reçoit que sarcasmes et humiliations. Les destins de ces deux hommes se croisent lorsque des amis de Bo sont, à leur tour, victimes de l'assassin. Le jeune travesti mène alors sa propre enquête pour écarter les soupçons qui pèsent sur lui..
