Ross makes his maiden speech in Parliament, and is reunited with an older Geoffrey Charles. While her husband is in London, Demelza has to deal with the fall-out from a failing mine and a broken-hearted Drake. Dwight and Caroline have a daughter, but their happiness is short-lived after a shocking diagnosis. Ossie is told a terrible secret by a dying parishioner, and hopes to trade the information to George, who is seeking a way to reclaim his lost political power by buying land he can corruptly control. Rebecca Front (The Thick of It) guest stars.