Reign

Queen Mary, uncertain of whom to trust, puts her brother James to the test to confirm his loyalty following rumors of his secret meeting with John Knox. Meanwhile, Queen Elizabeth offers her support to Lord Darnley as part of a strategy to undermine his growing influence over Mary.

Queen Mary investigates a breach of confidence among her advisors while Queen Elizabeth strengthens her position by involving Narcisse in her political ambitions. Catherine attempts to reclaim her lost influence through bold and risky actions.

Gideon offers Mary a glimpse of a life centered on personal relationships rather than duty, challenging her loyalties. Meanwhile, Catherine works to conceal King Charles's growing instability, and Claude faces new tensions as Leeza, Catherine's sister, becomes a rival.

Lord Darnley's unexpected visit to Scotland gives Mary hope for a more personal relationship beyond political alliance, while Elizabeth seeks support for her position and Catherine works to steer Claude back to her original path by arranging a new marriage.

Lord Darnley seeks to win Mary's hand in marriage by proving his loyalty as she questions his motives. Meanwhile, Catherine and Narcisse attempt to restore King Charles' public image after troubling rumors about his behavior begin to circulate.

Mary faces the political challenges of a possible marriage to Lord Darnley as King Charles goes missing, leaving Catherine to manage the resulting crisis. Elizabeth supports Gideon, and Claude is presented with a compelling offer.

Darnley's unexpected visitor puts his marriage to Mary at risk, while Elizabeth realizes her efforts to prevent Mary's influence have failed. At the same time, Catherine and Narcisse locate King Charles and try to persuade him to return to the castle.

With her wedding to Darnley approaching, Mary is driven to seek Catherine's assistance after a devastating event strains their relationship. Meanwhile, Elizabeth faces a Spanish defector who appeals to her for backing a voyage to the New World.

Mary and Darnley's marriage boosts her political influence, while James uncovers a significant secret about Greer, and Elizabeth works urgently to maintain England's power.

Mary considers her options for claiming the English throne, while Elizabeth faces the challenge of selecting a suitable husband. Meanwhile, James becomes entangled in a plot masterminded by John Knox.

Mary and Darnley clash as they proceed with their scheme to take control of England, while Elizabeth struggles with her emotions toward Gideon. Meanwhile, Catherine's son Henri attempts to assert his claim to the throne against Charles.

Following a devastating earthquake in Scotland, Mary is forced to confront John Knox as accusations arise that she is neglecting her people. Elizabeth takes a bold and unexpected action after being discovered with Gideon, while Charles makes a fateful decision that leads to unintended consequences.

Darnley collaborates with John Knox in an effort to remove Mary from power, leading to the death of one of her loyal allies. Meanwhile, Elizabeth is compelled to exile Gideon from her court at the behest of her future husband, and Charles confronts his brother Henri in a decisive move.

Mary takes decisive action to confront those involved in the conspiracy against her, while Elizabeth faces a significant reversal that drastically alters her circumstances.

Mary's life is in danger during childbirth, putting both her and her unborn child at risk. Meanwhile, Elizabeth uncovers that someone within her trusted circle is responsible for the death of a person close to her.

Mary alters the course of history with a consequential decision, leading to a dangerous struggle for survival and a profound realization. At the same time, Elizabeth prepares for war and plays a key role in Mary's downfall.