Bonding over scandals that have caused them both to be shunned, a Royal Navy officer and a beautiful divorcée team up to regain their honor and investigate the conspiracy that cost the woman her young son.

"After an odd encounter at a grand masquerade ball, Lady Emily becomes embroiled in the murder investigation of one of the guests, a sometime actress trying to pass herself off as the mysterious heiress and world traveler Estella Lamar. Each small discovery, however, leads to more questions. Was the intended victim Miss Lamar or the imposter? And who would want either of them dead? As Emily and Colin try to make sense of all this, a larger puzzle...

Pemberley is thrown into chaos after Elizabeth Bennett's disgraced sister Lydia arrives and announces that her husband Wickham has been murdered.