本片片名就是指女主角阿嘉特˙克雷希 (Agathe Clery),她是商場女強人,負責化妝品的行銷。她的同事都知道她很高傲、沒有同情心,而且她還是種族主義者──她是高盧白人、還負責「美白肌膚」的產品。可是,就那麼一天,醫生跟她說她染上怪病,皮膚會漸漸變黑。然後,某一天她起床後,她已經變成「黑人」了……Agathe Cléry is a hard working and modern marketing manager from a cosmetics company, specialized in clear skin. Her colleagues find her snob, strict, and they know she's a racist. One day though, Agathe is diagnosed to suffer from Addison syndrome, which alters and darkens your skin color. One morning, she wakes up as black as the ones she intensively hated.