Laurent Vayriot

Pauline has her own way of doing road safety: as a trainer in a point recovery center during the day, she becomes a serial killer of drivers at night.

In a large house, Granny, ailing, lives alone with her granddaughter Sabrina who devotes herself entirely to her weakening grandmother. But are Sabrinas intentions as pure as they seem? What does she expect of her lover, Nico, come to join her one night? These two will soon learn that behind this frail and defenseless granny lies another...