Clara Pasieka

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

Mary (Adelaide Kane) realizes she must help Catherine (Megan Follows) in her quest to become regent, even at the risk of hurting the alliance with Scotland. Claude (Rose Williams) is determined to help Leith (Jonathan Keltz) marry while Elizabeth (Rachel Skarsten) struggles with the prospect of losing Dudley (Charlie Carrick). Toby Regbo, Torrance Coombs, Craig Parker, Anna Popplewell, Celina Sinden and Ben Geurens also star.

Mary (Adelaide Kane) becomes suspicious of Prince Don Carlos' (guest star Mark Ghanime) true condition and relies on Gideon (Ben Geurens) to help her uncover the truth. Elizabeth (Rachel Skarsten) makes a shocking discovery which could change the course of her reign over England and forces Dudley (Charlie Carrick) to make a tough decision. Meanwhile, Narcisse (Craig Parker) forces Claude (Rose Williams) to marry someone of his choosing, against her wishes. Megan Follows, Anna Popplewell, Torrance Coombs, Celina Sinden and Jonathan Keltz also star.

Queen Mary (Adelaide Kane) struggles to hold on to her power in Scotland amidst Queen Elizabeth's (Rachel Skarsten) campaign to sabotage her with the help of a new ally in Queen Catherine (Megan Follows). Meanwhile, with Francis' (Toby Regbo) fate at odds and Elizabeth distracted by temptation in her first love, Robert Dudley (Charlie Carrick), both queens struggle to rule. Torrance Coombs, Celina Sinden, Anna Popplewell, Jonathan Keltz, Craig Parker and Rose Williams star.

Elizabeth (Rachel Skarsten) must deal with the political backlash of harboring Catherine (Megan Follows) in England, while Catherine is imprisoned upon her return to France. Mary (Adelaide Kane) is forced to make some difficult decisions about securing Scotland's future and Lola (Anna Popplewell) is conflicted in her feelings for Narcisse (Craig Parker). Toby Regbo, Torrance Coombs, Celina Sinden, Jonathan Keltz and Rose Williams star.