The CW has released the description for the June 19th series finale of Reign titled "All it Cost Her..."
Head over to Reign Spoilers page for the latest news.
Season 4 Episode 16 "All it Cost Her… (Series Finale)"
Mary (Adelaide Kane) makes a decision that will change the course of history -- forever shaping the fate of her nation, her crown, and her newborn son. Mary’s perilous move for her survival causes the stunning realization that perhaps she is not the only one who may not survive. Meanwhile, Elizabeth (Rachel Skarsten) steadies herself for war and will become the instigator in Mary’s demise while later realizing she and Mary might be more similar than either thought.
Mary (Adelaide Kane)
Elizabeth (Rachel Skarsten)