Do you like your period dramas brooding? Then you'll like Poldark. Set in the 18th century, the lead character of Ross Poldark is played by the very easy-on-the-eyes Aidan Turner. He returns to Cornwall from the American Revolutionary War to discover that his father has died and his estate is in ruins. His childhood sweetheart is also engaged to his cousin. Will his luck turn? There are four series to watch to help you find out.