Claude Roc, a young Parisian and Anne Brown, a young Englishwoman, meet in Paris and soon become friends.

Anne invites Claude to her home in Wales where he will meet Muriel, Anne's younger sister, to whom she destines Claude to marry. Eventually Claude proposes to Muriel, he is turned down but not wholeheartedly. Then Claude and Muriel's mothers impose a seperation on them, suggesting that if they still both love each other in a year then they can wed. During this year apart Muriel falls in love with Claude, but he takes a different path and upon his return to Paris pursues many women including Anne, Muriel's sister....