The French Lieutenant's Woman is a novel by John Fowles. The novel was first published in 1969. The protagonist Charles Smithson is engaged to a girl from a wealthy family. But one day a "French lieutenant's woman" comes into his life, a girl Sarah disgraced by an affair with a lieutenant who promised to marry her but never did. Charles and Sarah begin an affair. What will be the end of this love story? The author offers us a few different options.