This animated fantasy tale follows the romance between a lovely shepherdess (Agnès Viala) and a handsome chimney sweep (Renaud Marx). The land's imperious king (Pascal Mazzotti) falls for the beautiful woman and tries to thwart her relationship, but a kind mockingbird (Jean Martin) assists the lovers in evading the ruler. On the king's command, the chimney sweep and his bird friend are imprisoned, and they must escape in order to rescue the young man's true love.