As a young boy, Antoine becomes fascinated with hairdressing when he encounters a beautiful female hairdresser and is mesmerized by her appearance and movements. This fascination grows into an odd fixation where he regularly visits the salon, experiencing a sense of tranquility there. Throughout his childhood, he dreams of one day marrying a hairdresser himself, a dream shared with his baffled but indulgent family. Years later, as an adult, Antoine fulfills his childhood fantasy when he meets Mathilde, a charming and gentle hairdresser, and marries her. The couple shares a deep romantic connection, living a life centered around the small hair salon they run together.

In the intimate setting of the salon, Antoine and Mathilde experience a life that seems idyllic on the surface but is underscored by Antoine's relentless pursuit of maintaining his childhood dream. Their lives are punctuated by moments of sensuality and subtle humor, intertwined with the repetitive yet comforting rhythm of salon life. As they continue to live and work together closely, the underlying tensions of their relationship start to simmer. The couple’s world begins to narrow around their intense love and the shared confines of the salon, leading to unforeseen consequences. The narrative navigates through their passion and longing for each other while highlighting themes of love, obsession, and the reverie of cherished dreams.