After being widowed at 18, Queen of France Mary Stuart defies pressure to remarry and instead returns to her native Scotland to reclaim her rightful throne. Determined to be more than a figurehead, she asserts her claim to the English throne, threatening Elizabeth I's sovereignty. Rivals in power and in love, the two young Queens face betrayal, rebellion and conspiracies that imperil both thrones. © 2018 Focus Features LLC. All Rights Reserved.