After hours of endless traffic jams, François and his children—Kevin, the withdrawn teenager, and Baptiste who doesn't care for anything but his dog Hermione—finally arrive at a village in the South of France where François passed a summer long ago. But the tranquility of their stay is quickly compromised, not only by the heated relationship between François and his wife, Clara, who is slow to join them, but especially by the sudden disappearance of Hermione, who is not the only missing ca...