Fans of Game Of Thrones and Succession are bound to love Sky original drama Domina , which returns for its second season this week. Set in Italy, the eight-part series continues the retelling of the power struggles for control of the Roman Empire from a female perspective. Polish-born actress Kasia Smutniak stars as leading lady Livia Drusilla who, after three years away, returns to Rome alongside her husband Augustus Caesar, known as Gaius (played by Matthew McNulty).