Lucas, the son of Erika and François de Lestrade, Laure's half-brother and son of General de Lestrade, is almost kidnapped. Laure, his aunt, begins to wonder if there is a connection between the mysterious vanishings of several of her relatives. In each case, the few witnesses mention a man with white hair, a mesmeric look and a black car with smoked windows! Laure is upset by her boyfriend Xavier's suspicions about her father, General Guillaume de Lestrade. As the army deciphers an enigmatic number, 120807, in a Crop Circle, Laure is drawn to a protected site with an old algorithm and caught in a halo of blue light...