![Reign Season 3 Episode 18 Reign Season 3 Episode 18](http://images.weserv.nl/?url=//image.tmdb.org/t/p/w185/Ahiw2iuGcJ4yQtfQC35QYk145zP.jpg)
Reign Season 3 Episode 18
Mary makes a bold move to defend her reign in Scotland, which results in a battle royale with her cousin, Elizabeth. Lola is accused of a heinous crime and suffers the drastic consequences. Meanwhile, back in France, Catherine finds that Charles has returned a changed man after paying a price for his mother’s relentless quest for power.