It's summer. Sébastien loves the singer Sheila. Lucia loves boys. As for Frédéric, all he wants to do is work on his tan.
Sasha, a young British woman, is living with her baby daughter at Ile d'Yeu, a peaceful beach community. A stranger appears. Her name is Tatiana, she's passing through, and pitches her tent in Sasha's yard. The two women build an odd rapport, and tension builds as events unfold.
A young man, a researcher in ancient languages, begins to receive strange radio messages in a language only he knows. The messages ask him for very bizarre missions. Eventually, he understands that he's just a pawn in an intergalactic game, and that the fate of Earth depends on him.
