Jean-Étienne Fougerole is an intellectual bohemian who released his new novel "In Open Arms" and calling the wealthiest people to welcome home the families in need. While he promotes his book during a televised debate, his opponent criticized him for not applying what he himself advocates. While stuck, Jean-Étienne Fougerole accepts the challenge, for fear of being discredited. The same evening, a family of Roma rings the door of his Marnes-la-Coquette villa and the writer feels obliged to house them.

Based on a story of Countess Bathory, a serial killer in 16th century Transylvania who supposedly killed hundreds of children.

Roxana is a young Romanian nanny looking after 8-year-old Georges, the son of David and Elizabeth. David's a financier at the European Bank of Strasbourg. Working on a project for a motorway across Romania, David asks Roxana for some help.

For Luca's 18th birthday, his parents buy him a new car as a gift. Meanwhile, their son is bleaching his hair. The mother has the impossible mission of hiding the two surprises.