Unmasked (A Cinderella Story)

Mary Anabel is treated like a slave to her Mother and Sisters.
Then one day, They get invited to a masquerade ball to finally meet the prince.
When Mary accidentlly gets the prince to fall in love with her.
But the thing is, Price Charming Doesn't know any bit of information about her.
Sounds like an easy out?
Not if she accidentlly fell in love with him too.