The Poldark Series is a historical drama based on the novels by Winston Graham. Set in 18th-century Cornwall, it follows the life of Ross Poldark, a British Army officer who returns home after the American Revolutionary War. He faces personal and economic challenges while trying to rebuild his life and estate. The series originally aired on BBC One from 1975 to 1977 and was later revived by BBC and Masterpiece for a new adaptation that ran from 2015 to 2019. It explores themes of love, class struggle, and social change, featuring a rich cast of characters, including Demelza and George Warleggan.