Jackie, the heiress to her husband's fortune after his death, who finally finds love again with a plastic surgeon, Kevin. As tragedy continues around her, secrets about Kevin and her late husband's family nefariously come to light.
In the second season, which has just started production, Knightley’s Helen is still betraying her nation’s secrets to the Black Doves. But after the misadventures of last Christmas, and with her husband Wallace (Buchan), preparing to become Prime Minister, she is walking a more treacherous line than ever.