设定在一个讨债的黑暗社会里，本土骗子Peg Dahl在经历了一些麻烦之后，发现自己债务缠身，在家乡之外拥有更光明前途的机会被浪费掉了，于是她决定自己成为一名讨债人，并与这个城市的催债王开战。

　　Unlike most people, Melody cannot walk or talk, but she is smarter than most of the adults who try to diagnose her. Her classmates dismiss her as mentally challenged but Melody refuses to be defined by cerebral palsy.