Season 04, Episode 08 – Unchartered Waters
A tragedy occurs, pushing Mary and Darnley apart as their wedding looms. Meanwhile, Mary is forced to enlist help from Catherine; and a traitor to Spain petitions Elizabeth to support an expedition to the New World.
Chronicles the rise to power of Mary Queen of Scots when she arrives in France as a 15-year-old, betrothed to Prince Francis, and with her three best friends as ladies-in-waiting. It details the secret history of survival at French Court amidst fierce foes, dark forces, and a world of sexual intrigue.