In Paris in 1969, hairdresser Jacqueline raising her son alone suffering from Down syndrome. He spends every free moment with him, trying to enrich and prolong life. When little falls for a girl in his class, and she with Down syndrome, possessive mother trying to keep them away.
In Montreal today, DJ Antoine Godin falls in love with Rose. However, she still has feelings for his ex-wife, Carole, the mother of two daughters. Although two years have passed since the divorce, Carole Antoine still believes she will return to her. In her bouts of sleepwalking, Carole dreams of a boy with Down syndrome sitting on the back seat of a car.