BBC One's Death Comes to Pemberly - The Mini-Series

Death Comes to Pemberley is a three-part British television drama based on the best-selling P.D. James novel of the same name, a murder mystery continuation of the events of Jane Austen's Pride and Prejudice incorporating the same characters.
It is October, 1803, six years after the events in Pride and Prejudice which resulted in the marriage of Mr. Fitzwilliam Darcy and Miss Elizabeth Bennet.