Helen, the rising star of the criminal world, nicknamed Mask, was born in the thriving world of magic, but is deprived of everything, even the magic gift. The girl, who grew up in a gang of thieves, has no one and nothing but herself, her freedom. What if, one day, in retaliation for one of her successful pranks, Helen will be deprived of this freedom? And it would be fine even to the prison, ever...