The Assistant (original title: La Volante) is a 2015 drama-thriller film directed by Christophe Ali and Nicolas Bonilauri and starring Nathalie Baye and Malik Zidi.
[1][2] One night, while driving his pregnant wife Audrey to the hospital, Thomas accidentally knocks down and kills a young man on the road.
Several years later, Marie-France, the mother of the deceased man, is still unable to recover from the tragedy.
She becomes a personal assistant for Thomas, who remains completely unaware of her identity.
Soon, Marie-France carries out a methodical plan, making herself become indispensable to Thomas, while interfering in his family affairs and also approaching his son Léon.