The CW has released images and an official description for the April 17 episode of Reign.
The episode is called “No Exit” and here is how they describe it:
MARY’S BROTHER ARRIVES AT THE CASTLE TO PLEA FOR MARY’S RETURN TO SCOTLAND — When Mary’s brother James (guest star Joe Doyle) arrives in France and convinces Mary to return to Scotland, Francis (Toby Regbo) is suspicious and uncovers a plot that would destroy Mary (Adelaide Kane), which causes a rift between them. King Henry’s (Alan Van Sprang) downward spiral continues, leaving Penelope (guest star Kathryn Prescott) in charge, causing Catherine (Megan Follows) and Kenna (Caitlin Stasey) to take drastic measures. Meanwhile, Lola (Anna Popplewell) becomes wary of Lord Julien’s (guest star Giacomo Gianniotti) motives behind his marriage proposal. Torrance Coombs and Celina Sinden also star. The episode was directed by Mike Rohl and written by Hannah Schneider (#118).
Here are some new preview images:
									 
					