a french movie - nanny moves in with tween kids who become violent

Four children become friends during the summer holidays, and out of sight of the adults they discover they have hidden powers. While exploring their newfound abilities in the nearby forests and playgrounds, their innocent play takes a dark turn and strange things begin to happen.

A young governess for two children becomes convinced that the house and grounds are haunted by ghosts and that the children are being possessed.

When twin brothers arrive home to find their mother’s demeanor altered and face covered in surgical bandages, they begin to suspect the woman beneath the gauze might not be their mother.

In the heat of the summer lays a lonesome house in the countryside where nine year old twin brothers await their mother’s return. When she comes home, bandaged after cosmetic surgery, nothing is like before and the children start to doubt whether this woman is actually who she says she is.

A single mother, plagued by the violent death of her husband, battles with her son's fear of a monster lurking in the house, but soon discovers a sinister presence all around her.

A short documentary about the making of Jennifer Kent's 'The Babadook'.

When Myriam, the mother of two young children, decides, despite the reluctance of her husband to resume her activity in a law firm, the couple is looking for a nanny. After a severe casting, they hire Louise, who quickly conquers the affection of children and gradually occupies a central place in the home. Gradually the trap of mutual dependence will close, until the tragedy.

Convinced that their parents are responsible for their nanny’s departure, Léopold and Caroline start to fight with them. The twins experience the arrival of the new nanny, Rosa, as the last straw leading them to take action against her. On their return from their dinner, Catherine and Jacques discover with horror what their children seem to have done...

When a loving couple with two children welcome a seemingly sweet and capable nanny into their home, little do they know that her presence will unravel a chilling tale of hidden agendas and sinister secrets, plunging them into a terrifying journey.

A couple hires a live-in nanny to watch the offspring while they work. At first, everything goes perfectly, but when an unsafe incident means the parents no longer want the nanny around, they find out this nanny is savvy at not being evicted from her live-in situation. So savvy, in fact, that she can make these parents' lives a true nightmare.