Lila welcomes her friend Agathe, who is moving in as a roommate. Lila must also get rid of the bulky drum kit left behind by her ex. Should she sell it or give it away? To whom and how? Agathe and Lila share their ideas. Lila decides to be generous and gives it away on an online platform, unaware that this simple gesture will lead her into a series of adventures.
Lina, a film director, learns from her friend Judith that Bastien, the highly professional sound editor she works with, is a serial seducer. Lina doesn't pay much attention to it, especially as she can't see any signs of him corroborating this reputation, but those around her keep asking her questions...