With his naïve air, his rangy and reassuring silhouette, James Stewart symbolizes success, someone who everybody wants to look like. Behind his legendary nonchalance, Robert Mitchum is the figure of the bad boy, the kind-hearted hooligan who anyone would like to have for accomplice. What is the legacy left by these two big myths of the Hollywood cinema and in which way they fed the American dream?

Four best friends (Tibby, Lena, Carmen & Bridget) who buy a mysterious pair of pants that fits each of them, despite their differing sizes, and makes whoever wears them feel fabulous. When faced with the prospect of spending their first summer apart, the pals decide they'll swap the pants so that each girl in turn can enjoy the magic.