Adelaide Kane (Mary), Toby Regbo (Francis), Sean Teale (Condé), and Megan Follows (Catherine)
You can watch the full episode on platforms like Paramount+ or Apple TV . Reign Season 2 Episode 21 Review: The Siege - TV Fanatic [S2E21] The Siege
In a shocking twist, Mary flees to Condé’s camp, claiming she is pregnant with his child and seeking his protection—a high-stakes ruse intended to stop the bloodshed. Adelaide Kane (Mary), Toby Regbo (Francis), Sean Teale
In "[S2E21] The Siege," the penultimate episode of second season, the tension between duty and desire reaches a breaking point as Prince Condé’s betrayal forces Mary and Francis to unite against a literal and metaphorical invasion. Episode Overview Adelaide Kane (Mary)