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.
Seven sinners each displaying characteristics relating to one the Seven Deadly Sins are stalked by The Doorman who claims he can help them. However instead of help, The Doorman takes the sinners on a journey they couldn't imagine.