Under the pert pen name "Lady Smart," opinionated Lindsey Graham crusades for social change among London's elite, writing for the ladies' gazette Heart to Heart. But Lindsey's greatest campaign begins when her brother Rudy, a notorious rake, is accused of murdering a string of prostitutes. Her confidence in his innocence is bolstered when an anonymous letter arrives naming Viscount Merrick as the killer. Lindsey launches her own investigation into the gentleman's questionable pursuits, a risky venture that earns her an unwelcome bodyguard—Thor Draugr.