Poldark Series 4 (Blu-ray) [2018]

1796: To defend Cornwall and those he loves from an empowered George, Ross must learn to play the political game on a journey that takes him to the nation's capital. While Demelza manages the Poldark’s affairs at home, Elizabeth moves to further secure her marriage but Drake struggles in resigning Morwenna to life with Osborne, and the Enyses are tested as never before.