Toby Regbo: All-New 'Reign' Tonight!

Toby Regbo grabs a drink in this new still from Reign.

In tonight’s all-new episode “Snakes In The Garden,” when Simon (Luke Roberts), an English envoy, tells Mary (Adelaide Kane) that the English are aware of her fragile engagement to Francis (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.

“Snakes in a Garden” airs TONIGHT @ 9PM ET/PT on the CW.