It's the mid-'80s in Normandy, and 18-year-old French teen David rescues 16-year-old Alexis, whose boat capsizes in a seaside resort. The chance encounter leads to the blossoming of a kindred friendship with a romantic flair between the two teens as they spend more time together during that fateful summer. Alexis is deeply enamored with David until the latter introduces a woman to their camaraderie.