Romance begins busting out all over in Rochefort. A fair is being organized, giving the town an air of excitement and effervescence. Twin sisters Delphine, a dance teacher, and Solange, a pianist and a composer, dream of making it big in the world of music. The sisters, like many in Rochefort, including a dashing American pianist, are looking for love, without realizing that their ideal partners are right before their eyes.