The Neptune Echoes

Beneath the still waters of the Atlantic, secrets stir that no one suspects.

Jean, a former special forces commando, and Carole have built a life that seems peaceful. But behind that quiet façade lies a world of covert missions where everything can change in an instant. When a cryptic message shatters their routine, the couple is thrust into a high-stakes adventure. From the calm waters of the Vilaine to the offshore wind farm of Saint-Nazaire, and across to Belle-Île, Jean and Carole are forced to tread an impossibly fragile line, pursued by menacing shadows.

Betrayal, the underworld of espionage, unrelenting vigilance — their quest drags them to the very edge of the law, where only their trust in each other can save them. A gripping thriller that exposes how the greatest dangers often lurk beneath the calmest of surfaces.

When the sea itself can become a deadly trap…