In their six years of marriage, Elizabeth and Darcy have forged a peaceful, happy life for their family at Pemberley, Darcy's impressive estate. But on the eve of their annual autumn ball, chaos descends. A chaise appears, rocking down the path from Pemberley's wild woodland.

As it pulls up, Lydia Wickham - Elizabeth Bennet's younger, unreliable sister - stumbles out, screaming that her husband has been murdered. Plunged into a frightening mystery and a lurid murder trial, the lives of Pemberley's owners and servants alike may never be the same.