October, 1869: Lily Granville, heiress to a considerable fortune, rebels against her uncle’s strict rules. Ace Diamond, determined to win Lily, invests in a dynamite factory but his success fails to impress her guardian. An explosion in San Francisco, mere hours before Lily elopes with Ace to avoid a forced marriage, sets off a chain of consequences. When Ace is framed for murder before their wedding night, Lily must find proof to save him from a hangman’s noose. Will she become a widow before a true wife?