Reign: Snakes in the Garden (10-24)

MARY DOESN’T KNOW WHO SHE CAN TRUST — When Simon (guest star Luke Roberts), an English envoy, tells Mary (Adelaide Kane) that the English are aware of her fragile engagement to Francis (Toby Regbo), Mary and Francis put on a show to protect their alliance.  Meanwhile, when Queen Catherine (Megan Follows) learns that someone who knows about her plot to destroy Mary is still alive, she stops at nothing to make sure they are silenced for good.

Torrance Coombs, Alan Van Sprang, Anna Popplewell, Celina Sinden, Caitlin Stasey and Jenessa Grant also star.  Matt Hastings directed the episode written by Laurie McCarthy (#102).

Don’t miss the all new episode Thursday at 9pm on CW44!