Valentin is celebrating the end of high school exams with his friends. He is usually a popular student but tonight he does not manage to fit in. He is feeling extremely down, as he often is. On his way back home the next morning, he meets Marion, a young girl from his high school he had never met before. She offers him to join her and some friends for a picnic. He is introduced to Louise, Jade and Antoine with whom he spends the afternoon.