In the City of Brotherly Love, nobody knows a thing about Emmie Cade, a young widow who "appeared from nowhere," and in the blink of an eye was engaged to Leo Fairchild, a middle-aged bachelor with a fortune. However, as her marriage date approaches, Emmie's mother-in-law to be, the ailing, autocratic Claire Fairchild, receives anonymous letters. They suggest, none too subtly, that there's a great deal to learn about the mysterious young woman, none...