Together again in Regency England, Tobias March and his mesmerizing partner, Lavinia Lake, accept an invitation to a country house party at Beaumont castle hoping for some much needed rest and relaxation, only to find themselves involved in a murderous and mysterious weekend. A murder is committed at the castle, and Lake and March launch their investigations. They fervently pursue their leads--and each other--that take them from society's most elegant haunts and most discreet hideaways to London's shadiest back streets.