AnofficeworkernamedDorineiscalledupontodolatework;hercomputerbreaksdownandsheasksthehelpofaco-worker,GaryMichaels,whoiselectrocutedwhiletryingtofixthewires.Dorinedials911,buthangsupwhenthecallisanswered.Sheplacesthecorpseonacart,rollsitdowntohercar,loadsitinhertrunk,andtakesithome,placingitinherfurnishedbasement(wedon'tseethebodyuntillater).Then,seeminglywithoutreason,shegoesintoamurderspree.ShekillsVirginia[who?]bypoisoningherinhalertube,takingthesecondcorpsetoherbasement,placingitonasofa,nexttoGary's.ThencomestheturnoftwoyoungGirlScoutswhoarriveatherdoortosellcookies.Theyounggirlsjointheothercorpsesinthebasement,Dorineseeneatingthecookieswithrelishwhileworkingonhernewlaptop.Intriguingly,shesendsmessagesfromGarytotheremainingofficeworkers,implyingheisaliveandhaslefttheofficeorhiswife.Therearethreemoremurdersbeforethemovieends,allplannedwithcooldesignandseemingabsenceofmalice.ThelastsceneshowsDorine,afterhermother'sdeath,settingfiretoherbasement,then,sportingablondwig,drivingawayinhercar,circlinganewspaperadwithherpencilforanofficejob,alookoftriumphinherface.(FromWikipedia)