It is the summer of 1916 and, with German Zeppelins on the skyline, the men of Paris are off at war. For Vincent, the 16-year-old son of a prestigious family, the tranquility of the city sits at odds with the salons and soirees he attends. But, after an electrifying encounter with the enigmatic writer, Marcel P, draws Vincent’s desires out into the light, his ever-riskier liaisons with a young soldier begin to shape Vincent’s future.