Take a look at the second Reign teaser trailer for the next episode of the show, which is titled Left Behind.
Mary (Adelaide Kane) and Francis (Toby Regbo) are forced to rely on one another when the castle is taken hostage, and Catherine (Megan Follows) shocks everyone when she makes a surprising proposal to try to save their lives.
Meanwhile, Bash’s mother Diane (Anna Walton) tells Bash (Torrance Coombs) of her plan to have him legitimized.
Alan Van Sprang, Caitlin Stasey, Jenessa Grant, Anna Popplewell and Celina Sinden also star.
You can also check out Reign, Left Behind photos.
Reign, Left Behind 1.07 airs December 5th (9:00-10:00 p.m. ET).