Mary Trusts No One on 'Reign's Season 4 Premiere - Sneak Peek!

Mary (Adelaide Kane) says a prayer for her fallen friend Lola in this still from tonight’s premiere of Reign.

The season premiere is full of drama after Queen Mary, unsure who to trust, tests her brother James (Dan Jeannotte) to ensure his loyalty after hearing of his meeting with John Knox (Jonathan Goad).

Meanwhile, Queen Elizabeth (Rachel Skarsten) agrees to help Lord Darnley (Will Kemp), in an attempt to sabotage the powerful suitor’s relationship with Mary.

ICYMI: Listen to what Adelaide‘s saying about the final season ahead.

“With Friends Like These” airs TONIGHT, February 10th @ 9PM ET/PT on The CW