Jacinthe is going crazy: hundreds of moths circulate in her kitchen, but she doesn't know how to get rid of them. Bruno, her husband, is more desperate for his wife's reaction than for the moths. Léa, a friend of theirs, suggests they spend a weekend in the country. Judith, another friend, is also a guest. At the last minute Léa changes her plans, decides to follow a mute man who has left her shocked.