Thehalvesoftwobodies，onebelongingtoafemaleSwedishpolitician，arediscoveredinthemiddleoftheØresundBridge，whichconnectsCopenhageninDenmarkwithMalmöinSweden.Thebody，cutinhalfatthewaist，hasbeenplacedpreciselyontheborderbetweenthecountries，thusfallingunderthejurisdictionofboththeDanishandSwedishpoliceagencies.Afterfurtherexamination，itturnsoutthatthebodyisthatoftwoseparatecorpses，withonehalfbelongingtoaDanishprostitute.SagaNorén，fromtheSwedishside，andMartinRohde，fromtheDanish，leadtheinvestigationtocatchthemurderer。 [4] [5] 調查迅速升級為記者丹尼爾·費爾貝（DanielFerbé），他的汽車被用於犯罪，開始接聽電話。被稱為“真相恐怖分子”的來電者可能聲稱這些犯罪針對的是各種社會問題。社會工作者，斯蒂芬·林德伯格，其妹妹是恐怖主義的受害者也是如此，他們變得更加懷疑但是，元老誰領導的事件satudaintasatorisatakovarodakaunatikovarodaipaliketairodaipalitairodaipalitairodaipalitaunadetiphalana ralyears.ThetraileventuallyleadsthemtoJens，aDanishpolicemanandformerclosefriendofMartin，whowasthoughttohavecommittedsuicideafteranaccidentonthebridgecausedthedeathsofhiswifeandson.Inthecourseoftheinvestigation，MartinandSagadevelopacloseworkingrelationship，althoughtheyareverydifferentpeople.Martinhasatwenty- yearoldsonfromhisfirstmarriage，八月，whoisnowlivingwithMartinandhiscurrentwife，梅特，馬丁有三個孩子；在馬丁哈沙達輸精管切除術後，梅特發現她期待的是雙胞胎。 sherefusesapromotionforthislatterreason.Afterthekillerhasmurderedseveralpeopleandsuccessfullythrownredherringsinthewayoftheinvestigation，histruepurpose-tostrikeatMartinhimself-eventuallybecomesclear.Jens，現在自稱sebesatiana saindasatrauda，消除了訪問，誰是usceptibletohisadvances，afterlearningthatMartinhassleptwithCharlotteSöringer，awomanwhoisperipherallyinvolvedintheinvestigation.SebastianluresMetteandherchildrentoaremotespotwherehesubjectsthemtoaterrifyingordeal，lockingtheminwitharoomandgivingherahandgrenadewithitspinremovedtoholdaslongasshecan.However，SagarealisesthatAugustistherealtarget.Theinvestigationculminatesinaconfrontationonthebridge，whereshecannothelpbuttellMartinwhathappenedtoAugustandhastofireathiminordertopreventhimdestroyinghiscareerbykillingSebastian，thekiller'sfinalintention。