The generous John Jarndyce, struggling with his own past, and his two young wards Richard and Ada, are all caught up, like Lady Dedlock, in the infamous case of Jarndyce vs Jarndyce, which will make one of them rich beyond imagination if it can ever be brought to a conclusion. As Tulkinghorn digs deeper into Lady Dedlock's past, he unearths a secret that will change their lives forever, and which is almost as astounding as the final outcome of the Jarndyce case.