内容简介
Aperplexedgirlthinksshemighthavekilledsomeone!ThreesinglegirlssharedthesameLondonflat.Thefirstworkedasasecretary;thesecondwasanartist;thethirdwhocametoPoirotforhelp,disappearedconvincedshewasamurderer.Nowtherewererumoursofrevolvers,flick-knivesandbloodstains.But,withouthardevidence,itwouldtakeallPoirot'stenacitytoestablishwhetherthethirdgirlwasguiltyinnocentorinsane!