OneearlymorninginMarch2015,theDanishpolicereceivedacallfromanurseatNykøbingFalsterHospital.Shesuspectsherclosecolleagueofdeliberatelykillingpatientsandfearsthatithasjusthappenedagain.SoonamurdercaseunfoldslikeneverseenbeforeinDanishlegalhistory.Severalco-workersarenowtellingthepolicethattheyalsosuspectthenursehaspoisonedpatients,andsomeeventellthattheyhavebeenwalkingaroundwiththissuspicionforseveralyears.Butwhyhasn’tanyonerespondeaaa?Andwhereistheevidence?