Reign is the new series of CW (Celebrity World). It's different from every other series, it's unique. 

It's a story, which Mary, Queen of Scots (Adelaide Kane) is the main character with Francis (Toby Regbo) and Sebastian (Torrance Coombs)

She's been sent to France since England wants her dead for her throne, her crown and her country.

She has to marry Francis the 2nd for her safety, her people and her country. 

If she's dead she won't be able to bring home any ships, armies or can't marry any kings for all that.

Will Mary, Queen of Scots do her duty and marry Francis? or Is she gonna be changing from one waiting king to another? 

To answer all your questions watch the series :DD