Say her name

Roberta 'Bobbie' Rowe is not the kind of person who believes in ghosts. A Halloween dare at her ridiculously spooky boarding school is no big deal, especially when her best friend Naya and cute local boy Caine agree to join in too. They are ordered to summon the legendary ghost of 'Bloody Mary': say her name five times in front of a candlelit mirror, and she shall appear...But, surprise surprise, nothing happens. Or does it? Next morning, Bobbie...