Mary has a difficult childbirth that leaves both her and her child's life in danger. Elizabeth learns that the death of someone close to her was caused by someone in her inner circle.

Mary launches a counterattack on the conspirators. Elizabeth suffers a setback that turns her world upside down.

Charles' coronation gets closer as Mary discovers who poisoned Elizabeth and Catherine becomes a different kind of victim of the castle's killer.

As Francis things Mary is turning against France, she risks everything in order to take Conde down; Catherine meets with Queen Elizabeth and has a proposition for her; Kenna's secret will seal the fate of her relationship with Bash

As Bash is being healed by the white witch, an old enemy shows up. Francis is on the edge of death and Mary must help Scotland from being under attack. Mary must make a decision to stay with Francis or go to Scotland with Conde.

Mary and Condé continue to make arrangements to go to Scotland, while Condé continues to meet with Elizabeth's envoy. Catherine becomes suspicious of the relationship between Mary and Condé. Leith offers to try and help Greer.

When King Antoine threatens to tell Francis of Mary and Conde's evolving relationship, Francis makes a shocking move. Bash and Kenna's marriage is beyond repair after he learns of her ...

Mary's mother (guest star Amy Brenneman) returns to advise Mary that her throne is in jeopardy. Mary makes a shocking proposition to Conde, along with a bold move to reclaim her throne. ...

As Mary and Francis investigate who was behind the poisoning of King Henry (Alan Van Sprang), they unearth secrets of the past which force Mary to confront her feelings for Conde as she ...

As the castle prepares for the Winter's Ease Feast, King Antoine of Navarre reveals to Francis and Mary England's plan for revenge against France. Bash learns that an "undead" man has been ...

Bash uncovers the truth about the death of the twins - vengeance and justice consume Catherine's haunted past. The hunt to uncover the Protestant radicals reveals ties far too close to ...

Bash and Francis figure out who is really behind the branding, and plot to stop the bloodshed. Mary and Greer help Prince Conde escape questions from the cardinal and end up at Conde's ...

Mary and Conde set off to find who attacked Mary. Narcisse becomes Frances' puppet. Someone poisons Claud, and has Kathrine gone mad? Could Mary and Frances return back to normal after what...

While Francis and Bash are out trying to find Montgomery the Protestants are becoming more and more restless. Mary is alone at the castle and Protestant men storm it, leaving Mary in ...

The tensions between the Protestants and Catholics increases because of the edict Lord Narcisse blackmailed Francis into signing. Mary and Francis' relationship hits a wall due to the ...

Young, reckless and provocative Princess Claude makes a surprise visit home, torturing her already haunted mother, Catherine. Francis is pressured by Narcisse to act against his conscience ...

Mary and Catherine leave for a town when their carriage is overrun and they leave for safety, but they are far from that. Lola and Narcisse become closer and Mary and Francis are still having some problems.

Tensions between Protestants and Catholics escalate when bloodshed at a Protestant service causes an already concerned Mary and Francis to intervene on the eve of Greer's wedding. Bash and ...

As Francis and Lola start the preparations for their son's christening, Mary and Lola make a scheme to help Estelle from Lord Narcisse. Mary gets shocking news that will change her life and Greer tries to tell Castleroy how she feels.

With France in a state of famine, as well as religious and political unrest, Mary looks for a way to feed the people, risking the wrath of a vengeful Lord Narcisse (Craig Parker). Francis ...

In the aftermath of the plague, a powerful lord (Craig Parker) discovers that Mary was responsible for the death of his son and demands vengeance, testing the loyalties of Mary, Francis and...

As Francis leaves Court to find Lola and his child, he must try and avoid the plague, back at Court Mary and Catherine must keep safe from the plague while the nobles and servants are getting sicker and sicker.

Henry plots to kill Francis, and begins his efforts to woo and marry Mary. Leith returns to win Greer back. Lola goes into labour. Francis, Catherine and Mary plan a coup. The Darkness returns for Pascal.

Mary and Catherine form an unlikely alliance when deciding how to deal with the increasingly manic King Henry, which puts Francis in jeopardy. Bash finds a boy who lived to tell about his ...

Mary enlists a mercenary to help her, which forces her to realize there are sacrifices and lives she is willing to risk to save her country. Francis embraces his role as Dauphin to lead ...

Mary and Francis are forced to make difficult choices between Scotland, France, or their marriage; Mary's uncle brings bad news regarding Marie de Guise; Henry makes some bad choices for France; Bash and Kenna continue to work on their marriage.

When Mary's brother James (guest star Joe Doyle) arrives in France and convinces Mary to return to Scotland, Francis is suspicious and uncovers a plot that would destroy Mary, which causes ...

Mary uncovers her marriage contract's secret clause.

When Francis reluctantly agrees to help Bash uncover the threat in the woods, he ends in grave danger, with only Bash to save him. Meanwhile, the King's madness causes chaos when a servant ...

As women in the castle mingle with possible suitors, Lola is reluctant to participate. Kenna fears for her safety after another violent incident with King Henry. Bash determines to uncover the truth about the darkness.

Two months after becoming married, Mary and Francis must rejoin court after their idyllic honeymoon. Upon returning, secrets they hoped to bury start coming out. Meanwhile, King Henry and Queen Catherine bond over spilled blood.

It appears to be time for Mary to choose. She has to marry either Francis or Bash taking into account her country's needs as well as her own. This decision gets harder when Francis comes to...

When Clarissa kidnaps the younger children of King Henry and Queen Catherine, Mary and Bash work with the Queen to find them, with tragic results. Meanwhile, when Lola attempts to help her ...

Henry returns from Rome unsuccessful, and accuses Catherine of adultery with Nostradamus with the goal of executing her. Catherine learns about Isobel's baby but the pagan mark on her foot ...

When a plot to kill Bash goes wrong, Queen Catherine is suspected of orchestrating it. Mary offers to help free a wrongly imprisoned pregnant peasant named Isobel who has a mysterious tie ...

When Mary and Bash are captured they are forced to return to the castle, tearing the bond of brothers apart and hardening Catherine's resolve to destroy Mary and Francis' love at any cost. Francis learns of the prophecy,

Nostradamus tells Mary of his prophecy that one among them will die soon, which causes Mary to make a decision that will forever change her relationship with Francis.

Mary and Francis are forced to rely on one another when the castle is taken hostage, and Catherine shocks everyone when she makes a surprising proposal to try to save their lives. Meanwhile...

An attempt to scare Mary causes Queen Catherine to take drastic measures to make sure the guilty party is caught. Francis, aware of Bash and Mary's growing attraction, turns to Olivia. Bash...

An ex-lover of Francis' arrives and brings danger with her, so Bash consoles an uneasy Mary. Meanwhile, Queen Catherine persuades Aylee to snoop on Mary; and Bash lands in hot water with ...

Mary has to decide if she is willing to lie and sentence a man to death in order to have King Henry let her out of her engagement to Prince Francis. Meanwhile, Francis and Bash are ...

When England's armies threaten Scotland's borders, Mary asks King Henry for help, but he refuses. Tomas, the son of the King of Portugal, proposes marriage to Mary, promising her aid ...

When Simon, an English envoy, tells Mary that the English are aware of her fragile engagement to Francis, Mary and Francis put on a show to protect their alliance.

After spending a childhood safely hidden away in a monastery, a teenage Mary Stuart arrives in France where she has been sent to secure Scotland's strategic alliance by formalizing her ...