'Princess'

On the day of the ceremony which will bring the new queen, Christina, will about to be crowned. Relatives and guests were sitting down in the audience, and Princess, was standing beside Christina her twin. Suddenly, the lights come off, someone magically made the uncrowned queen-to-be vanish into a wishing cage. After two years, Princess eventually became queen, Christina still in her prison and people suffering from her disappearance. Who put her there? Will she ever get out?