Aroundtheyear1500,theItalianpriestDonFilippoNerihelpsstreetkidsandorphansinhispoorlittlechapel.Heisnoclergymanbythebook,butatruebelieverintermsgoodandbadandheteachesthistohischildren.Neriisnotverywell-seenbythechurchandhisonly"friend"isthedry,humorlessIgnatiusDeLoyola.ButNerisrealcounterpartisthedevilhimself,workinginendlessincarnationsinNerisdirectneighborhood,tryingtoseducehiskids.HisnewestkidistheyoungthiefCirifischio,makingalotofproblems.WhenCirifischiohasanargumentwithayoungboyofalocalaristocrat,theboyturnsouttobeagirl,theyoungLeonetta,somekindofasexslaveforherowner.Neriadoptshertoo,andtheyoungpeoplefallinlove.15Yearslater,thedevilisbackandleadsCirifiscioontoamurder.Nowlawless,thethiefmustfleeNeriandleaveLeonettaback.Neridoesthebesthecantosavethethief'slife,butdoeshehaveachanceagainstthefatbbb?Moreover,Nerihastofightthedeathsinofvanityitself...fromanunexpectedside...