Four women who worked as codebreakers at Bletchley Park have taken up civilian lives. Susan has collated data about a series of murders. She tries to convince the police she knows where another body is, but they are unable to locate it and dismiss her. She turns to her three friends and they work out where the next victim will be taken, find the body, and then decide they are the only ones who can track down the killer.

Elizabeth and Darcy, now six years married and with two young sons, are preparing for the lavish annual ball at their magnificent Pemberley home.

Two innocent young orphans are the potential heirs to a fortune. Their fates are snarled in a monumental legal battle known as Jarndyce and Jarndyce. Another orphan, Esther Summerson, whose mysterious parentage proves to be intertwined with the fate of the Jarndyce wards and the aloof Lady Dedlock. Lady Dedlock faces the revelation of her dark past once Mr. Tulkinghorn catches wind of it. The icily beautiful Esther's background also comes to light...