Mary's marriage to Darnley hangs in the balance when Darnley receives a surprise visitor. Meanwhile, Elizabeth's plans backfire; and Catherine and Narcisse find Charles and attempt to convince him to return to the castle.

Cast: Adelaide Kane, Megan Follows, Rachel Skarsten, Celina Sinden, Craig Parker, Rose Williams, Ben Geurens, Dan Jeannotte, Jonathan Goad, Spencer Macpherson, Will Kemp, Adam Croasdell, Anastasia Phillips, Ann Pirvu, Nola Augustson