'Reign' promo reveals an assassination attempt, betrayals, and a not-so-happy betrothal

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We already know that Mary, Queen of Scots, won't have the easiest time when she comes to France to marry Prince Francis on "Reign," and thanks to a new promo, we now have a better idea as to the challenges she will face.

The CW just released a new promo that shows an assassination attempt on Mary's life, that -- while unsuccessful since Mary survives -- does take the lives of many of her staff. The new footage also shows that while fighting for her life, Mary will also have to protect her heart from a colder-than-expected betrothed Francis, and his half-brother Bash. And on top of all that, since this is a royal court, there will be plenty of betrayals and corruption Mary must deal with.

The last moments of the video show that despite all those working against her, Mary might have the strength to persevere and lead her country.

Watch the new promo below:

"Reign" premieres Thursday, Oct. 17 at 9 p.m. ET on The CW.

Photo/Video credit: The CW