Lucien, a young actor in his twenties, lives his last day of filming in the heat of summer. It's his first experience on a movie set, and when Adèle, who he co-stars with in the film, offers to kiss him during a scene, confusion overwhelms him. How not to get lost between fiction and reality?

Lucien, la vingtaine, vit son dernier jour de tournage dans la chaleur de l’été. C’est sa première expérience sur un plateau de cinéma, et quand Adèle, à qui il donne la réplique dans le film, lui propose de l’embrasser pendant une scène, la confusion l’envahit.