Lucy Boynton as Paula Boynton stars opposite Harington as his love interest in episode three. Before departing the train they first met on, the two strangers agree to meet in the same spot in exactly two weeks. But to their dismay, the country shuts down due to a worldwide pandemic. Prior to her role in Modern Love, Boynton starred in Bohemian Rhapsody and The Politician. Image Source: Getty / Toni Anne Barson