King Henri departs to lead an army to defend France and places Catherine in charge as Regent, allowing her to test her powers further. Catherine asks Rahima to search Mary's room for a letter.

Mary visits Rahima and recounts her side of the story of life at the Royal Court. Catherine and Mary have conflicting views when it comes to freedom of religion in France.

The planned kidnapping of King Francis goes awry but Catherine devises a new plan to allow her control of the country.

Catherine aims to unite France under King Charles IX, pushing her agenda of a secular state; the Bourbons present an ambitious trade deal with Protestant England; as tensions rise on the Privy Council, the Guise's plan to reignite religious conflict.

With peace balanced on a knife's edge, Catherine attempts to calm tensions by allowing the Bourbons to pursue the trade deal with England. Catherine halts the investigation into the Duke of Guise's arson involvement.

News of Edith's miracle spreads throughout Europe; the Bourbon's leverage an opportunity for England to exploit France; Catherine must return urgently to France when Anjou's temper causes damage.

Charles is ready to make his own rules, rejecting his mother's influence; with a rebellion on the rise, a mysterious plan is set, but when loyalty can be so easily swayed...miracles can happen.

Young Catherine begins to learn how to outwit the royal household in order to secure her future.

Prince Henri returns from war with a new mistress, Filippa, and a baby. Catherine resorts to extreme measures to produce an heir.

Catherine has become a mother. King Francis suffers a fall from his horse while hunting with Henri and Catherine.

Catherine has a dream that predicts that her husband will be wounded while jousting. Catherine and Henri decide that their son Francis should delay his wedding to Mary.

Catherine relinquishes her seat on the Privy Council, but not before securing a place for Anjou; a religious war is on the horizon as Queen Elizabeth lands in the Netherlands; France's saving grace may be a marriage.

Queen Elizabeth's arrival sparks manipulation and intrigue within the Valois Court; a dramatic fencing match for the Queen's affections ends in a shocking revelation, leaving the Court in turmoil.

Tensions escalate as Edith and her followers wield newfound power while Catherine grapples with political manipulations and betrayals; as Queen Elizabeth's schemes unravel, Catherine must strategize to secure power and navigate a web of deceit.

Catherine's actions lead to chaos and bloodshed, leaving a trail of devastation in their wake; Catherine's desperate measures may prevent total war, or they could unleash forces beyond her control.

Queen Catherine begins to tell the story of her life to Rahima, a servant girl, revealing how she came to enter the French Royal Court at the age of 14.