Violette lives in the country with her parents, wealthy Picardie land owners. Gabriel works as a cashier in a supermarket. On the face of it, both of these two young people appear to have led ordinary lives without incident, and yet they both have dark secrets and a yearning to escape from their stifling present reality. Their chance meeting will set them free, but with unexpected consequences...

Still pining for his ex-boyfriend, Géraud has come to a French seaside town to present his new experimental film, but the only person keen on seeing it is the cinema's underage projectionist who becomes smitten with the handsome director.

Every year, during the summer solstice, the Bay transforms into desert sands, and the tides stop. Michel, a hunter, is charged with battling the forces of Nature. This year, however, nothing goes as planned.