《四人寝室被三个舍友孤立》ShiptonAbbottcontinuestokeepDIHumphreyGoodmanandhisteambusy,withabafflingnewcrimeeachepisode.Fromadeathonasteamtraintoamissingteacher,theteamhavetheirworkcutout.EvenmoresowithPoliceHQ’sthreatofthelocalstationhouseclosurehangingoverthem–thepressureisontogetresults.Meanwhile,HumphreyandMartha’sjourneytofindtheirownversionofafamilycontinuesastheyexplorethepossibilityoffostering.Martha’smotherAnnethrowsherselfintotheworldofonlinedating,andawell-meantgesturefromEsther’sdaughterZoethreatenstouncoveralong-heldsecret…