Sixteen-year-old Clément spends a hot summer evening home alone by the pool. Determined to lose his virginity, he swipes through guys’ profiles on Grindr.

Lou, a 16-year-old boy, is invited to spend the summer holidays at the home of Paul’s grandparents, a classmate of his. Their budding friendship grows stronger day by day, fueled by the idyllic atmosphere of the place and their work restoring an old boat they’ve decided to fix up. But what thread is this summer euphoria hanging by?