The new King and Queen of France, Francis and Mary are plummeted into chaos after the Black Plague ravages the land and creeps inside the castle, threatening lives and the stability of their new rule. Francis finds himself on the wrong side of the quarantined gates, with Lola, as they try to make their way back to safety. New and cuddleous foes are introduced as nobles grasp for power, pressuring Mary - and Catherine - even as the passing count rises. Meanwhile, Kenna and Bash find themselves separated; Kenna's life endangered as she risks all to save their young ward. Greer is forced to watch Leith move on with a new love and is shocked to realize he's involved with her fiancé's daughter.

A powerful and dominating Lord learns Mary was responsible for his son's passing, he demands retribution. Francis and Lola return to the castle with their new son.

Mary looks for a solution to be able to feed the people of France. Francis is haunted by suspicions about his dead father's ghost. Catherine plans an extravagant coronation ceremony.

Shadowy riders have attacked a shepherd, Lord Conde and Bash investigate. Mary reconsiders her relationship with Lola. Leith returns to court.

Tension rises between the Catholics and the Protestants. Francis receives a gift from his dead father. Kenna is shocked by a discovery.

Upon encountering a mob of angry peasants, Queens Mary and Catherine find themselves concealing their true identities after being forced to abandon their carriage and escape into the woods. Fearful the uprising is a response to his own actions, Francis forms a search party that includes Leith and Conde, only to discover the attack is actually a result of imposters abusing the power of the crown. Meanwhile, Lola sets out to become financially independent but, in the process, finds herself considering a complicated yet intriguing offer from Lord Narcisse.

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 or risk his throne and his wife. Mary finds a new ally in Condé, a plot that involves an uncertain Lola. Kenna mistakes Claude for a newfound friend, while Greer returns earlier than expected from her wedding tour.

Tensions escalate between Mary and Francis when Vatican inquisitors perform barbaric acts on anyone suspected of being a Protestant. After a brave proclamation, Lord Condé is abducted, resulting in a precarious situation with a surprising group of assailants. Catherine experiences an annoying setback when she plays matchmaker on behalf of a reluctant Claude, while Narcisse offers a stranded Lola an innocent horse ride back to the castle, where a dark secret involving Francis is revealed.

Mary proposes a marriage idea for Claude, but Claude has plans of her own. Meanwhile, Bash and Francis concoct a scheme to free Francis from following Narcisse's demands; and Greer discovers she may be deeper in the Protestant movement than she realized.

Francis tracks Narcisse with a passion for revenge. Meanwhile, Mary discovers Francis was being blackmailed, leading her and Condé to tackle a dangerous mission; Leith begs Greer to flee for her own safety; and Catherine receives a surprisingly erotic visit in her chambers.

Mary takes action to save Condé when she learns the Vatican is hunting him for bearing the branded mark of the Dark Riders. Francis devises a plan to put an end to the Dark Riders legend, which puts Bash at risk. Meanwhile, Kenna reveals Catherine's ulterior motives to Claude.

Mary finds out the truth from Greer about rumors going around Court, forcing Mary to do something she never thought possible. Francis finds himself in a growing rivalry with Condé for Mary. Bash's mother Diane returns, igniting a long overdue confrontation with Catherine, while Claude is determined to find out the truth about who reallyhuged the twins.

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 seen in the village and his efforts to track the man down lead him to a mysterious woman in white. Meanwhile, Catherine finds out the cause of her hallucinations.

As Mary and Francis investigate who was behind the poisoning of King Henry, they unearth secrets of the past which force Mary to confront her feelings for Condé as she attempts to move forward. Catherine finds herself in the middle of a romantic triangle when the Duke of Guise returns, which forces Narcisse to commit a hideous act out of desperation. Meanwhile, Greer finds herself in a situation she never fathomed in order to survive.

Mary's mother returns to advise Mary that her throne is in jeopardy. Mary makes a shocking proposition to Condé, along with a bold move to reclaim her throne. Francis moves closer to Lola after a setback with Mary, while King Antoine makes Kenna an interesting offer.

Francis makes a bold proposition when King Antoine threatens to tell Francis of Mary and Condé's evolving relationship, Francis makes a shocking move. Bash and Kenna's marriage is beyond repair after he learns of her scheming, while Leith discovers Greer's unsavory new career path.

Catherine is suspicious that Mary and Condé are having an affair; Francis becomes ill; Bash's life is in peril; Leith is forced to guard Claude.

Mary finds herself becoming the temporary leader of France. Bash sees a face from the past in the village.

Mary manages to align herself with France as the threat from England looms.

Mary goes to extremes to halt Francis from his quest to catch Condé at any cost. Catherine, jealous of Narcisse's relationship with Lola, asks him to do something unforgiveable to prove himself, Kenna crosses a line with General Renaude and Greer makes a choice that might end her relationship with Leith.

As troops are about to descend on the castle, Mary and Francis must put aside their differences to determine the extent of Condé's betrayal. Mary also learns of a bittersweet revelation that tears her apart and makes her question everything. Meanwhile, Catherine decides to teach Narcisse a lesson to prove he can never cross her again and Bash decides to bring Delphine to the castle.

Mary puts everything on the line in an effort to take Condé down. Catherine meets with Queen Elizabeth.