Reign

Queen Mary tests her brother James to confirm his loyalty after hearing about his meeting with John Knox, and Queen Elizabeth agrees to help Lord Darnley in an attempt to sabotage the powerful suitor's relationship with Mary.

Queen Mary discovers a leak amongst her advisers and sets out to uncover the traitor. Queen Elizabeth enlists in Narcisse to further her quest for supremacy, and Catherine goes to extreme measures to regain some of her lost power.

Gideon shows Mary what life would be like if she chose love, Catherine struggles to cover King Charles' unpredictable behaviour, and Claude finds an unexpected enemy.

Lord Darnley surprises Mary with a visit in Scotland, Elizabeth fights to gain allies in her favour, and Catherine tries to find Claude a new husband.

Lord Darnley must demonstrate his loyalty to Mary when she voices her concerns about his true intentions. Catherine and Narcisse try to repair King Charles' reputation after rumours about his strange behaviour threaten the throne.

Mary faces the political repercussions of a potential marriage to Lord Darnley. King Charles disappears, leaving Catherine to deal with the aftermath, Elizabeth helps Gideon, and Claude receives an interesting proposition.