Christelle, has everything to see life in pink - or almost. Hairdresser in a small country town, she is eager to acquire "Belles Buckles", a revolutionary machine, a true miracle of hair technology; small joys make great happiness. One evening, at the end of the roll, returning home, she found her daily session of bruises to the soul and the body. One day too long, seeing red, she decides to flee. Crushing in darkness, she wanders aimlessly until she sees the multicolored sparkles of Galaxy Motel. There she will first meet Mona, earthy mistress of the house, secretly identifying herself with the heroine of her favorite soap-opera, then Vladimir, Polish seducer, representative in articles for women. She will also meet Lucien, a young man whose eyes full of love will surprise her, but also Fanny, still pregnant and her husband's cook and the friendly truck drivers, Robert, Babar, Marcel and Dédé. The little world of Donna Mona, her life, her fun, her humor, will she give her back the taste for living, she who knows so well how to speak to plants, give life to colors and transform the places where she passes into a real Rainbow ?