“A refined gentleman, age 25, of wealth and education, seeks the acquaintance, with a view to matrimony, of a high-minded, kind-hearted lady who prefers an evening of quiet conversation to the lively demands of society.” Edwina Hargrove knows that this “gentleman” was, in fact, Ashton Trewelyn, a rake notorious for seducing the young and naive. In fact, five decent women have already been tricked and bundled off to the continent for scandalous purposes. To thwart his scheme she shadows him to warn his prey. Ashton Trewelyn returns home to London from the King’s Royal Rifles, but discovers a coded message that has implications to the Crown and his family. His only hope to unravel the mystery lies in the enigmatic Edwina’s ability to recognize patterns. He leads her on a path of secret societies and risque temptations, he discovers she arouses him with temptations of her own. Must they risk everything to decipher Casanova’s code?