Reign Show Summary, Upcoming Episodes and TV Guide

Mary makes a bold move to defend her reign in Scotland, which results in a battle royale with her cousin, Elizabeth. Lola is accused of a heinous crime and suffers the drastic consequences. Meanwhile, back in France, Catherine finds that Charles has returned a changed man after paying a price for his mother's relentless quest for power.

When Mary arrives in Scotland, she is stunned by the treacherous world it has become and is forced her to keep her royal identity a secret until she learns who she can trust. When Elizabeth jeopardizes her standing with an unbearable new suitor, Lola steps in to help, which causes the Queen to question Lola's ulterior motives. Meanwhile, Charles secretly plots to relinquish Catherine of her power.

Mary realizes her need to return to Scotland is becoming increasingly imminent and that along with the help of Bash, she must raise her own army to save her throne. Elizabeth enlists Lola's help to find out information about her mother, which backfires when Lola gets caught.

Mary might have to sacrifice her cousin's life to save her own, as she and Gideon find themselves in unchartered emotional territory. Catherine's past returns to haunt her, while Lola and Elizabeth become unlikely allies.

Mary struggles to resist her feelings for Gideon as she works to align herself politically with potential allies. Elizabeth and Greer find themselves in similar heart-wrenching situations with the potential for very different outcomes. Catherine and Narcisse continue their vicious power struggle over the Regency, while Claude finds herself in the fight of her life on her wedding night.

As Mary and Catherine deal with the aftermath of Prince Don Carlos' accident, Mary realizes that she will have to marry for the good of her country and not follow her heart. When Catherine is accused of poisoning Francis, Lola is shocked when Mary thinks Narcisse framed Catherine in order to become Regent of France.

Mary realizes she must help Catherine in her quest to become regent, even at the risk of hurting the alliance with Scotland. Claude is determined to help Leith marry while Elizabeth struggles with the prospect of losing Dudley. Charles Binamé directed the episode.

After Mary receives an urgent message from her ailing mother (guest star Amy Brenneman) about the dire situation in Scotland, she finds herself looking to Francis for aid. Catherine finds herself up against Narcisse as she fights to become the regent to Charles. Meanwhile, Elizabeth faces continued pressure to wed. Anna Popplewell, Torrance Coombs, Celina Sinden, Charlie Carrick, Jonathan Keltz and Rose Williams star.

Elizabeth must deal with the political backlash of harboring Catherine in England, while Catherine is imprisoned upon her return to France. Mary is forced to make some difficult decisions about securing Scotland's future and Lola is conflicted in her feelings for Narcisse.

Mary risks everything to take down Condé, even as Francis believes she is turning against France. Catherine makes a bold move and meets with Queen Elizabeth in a stunning plot to seek revenge on Mary. Meanwhile, Kenna has a secret that will seal the fate of her relationship with Bash.

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.

While Francis' life hangs in the balance, Mary becomes the temporary leader of France, which makes her realize she can use her newfound power to save Scotland. Catherine, knowing about Mary's indiscretion with Condé, enlists in Narcisse to help beat Mary at her own game. Meanwhile, Bash, having been saved by a Woman in White and determined to send his attempted murderer to death, discovers a familiar face in the village.

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.

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 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 really killed the twins.