1970s, six-and-a-half-year-old Sébastien is a sensitive, highly imaginative child. Despite the affection he feels for his father, a dreamy inventor, he notices his mother's loneliness and how there is a lack of love in her life. When they move the house, it won't be long before he sees in Philippe, his new neighbor, an ideal Prince Charming for his mother.

More than anything, 30-year-old Rose longs to be reunited with Mickaël, her estranged 11-year-old son who has been placed with a foster family and blames his mother for their long separation. When she discovers that Mickaël is crazy about wrestling, Rose thinks she's found a way to melt the ice: she'll put together a tag team with three girlfriends from the store where all four work as checkout girls...