A cikin 1985 wani shari'ar kisan kai ta girgiza ƙaramin garin Niantic Connecticut. An tsinci wata mata mai juna biyu ta shake a dakin kwananta yayin da mijinta ba ya nan a balaguron ruwa. Ba a warware laifin ba har sai da wani shaida ya fito don bai wa masu binciken alamar, a duk wuraren, kwafin VHS na fim ɗin tsoro.

Ed da Ellen Sherman sun bayyana a matsayin ma'aurata masu farin ciki a kusa da garin, duka ƙwararru, Ellen mawallafi, Ed malami a kwalejin al'umma. Ko da yake sun zama abin koyi na alherin al'umma, rayuwarsu ta sirri ta ba da labari na daban. Ed ya kasance philanderer wanda sau da yawa yakan shiga musayar mata da liyafa. Ellen kamar ba ta da hankali kuma sau da yawa ta shiga cikin ayyukan da kanta.

Shigar da Nancy Prescott, uwar gidan Ed wacce ta yi ciki kuma ta sami ɗa yayin sha'aninsu. Ellen a iyakarta ta gaya wa Ed ya bar Nancy don su fara farawa.

Ed ya yarda kuma ma'auratan sunyi ƙoƙari su sake mulkar aurensu, Ellen kanta tayi ciki.

Amma a ranar Lahadi a watan Agusta 1985, yayin da Ed ya tafi tafiya tare da abokai huɗu, sai 'yan sanda suka kira shi a rediyon jirgin, suna cewa matarsa ​​mai ciki ta mutu. Wani aboki dangi ne ya gano ta wanda Ed ya nemi ya dube ta a daren.

A duban farko da gaske ya zama kamar wani mai kutsawa ne ya shigo gidansu ya matse rayuwar Ellen sannan yayi sauri ya koma baya, a zahiri, har yanzu ana kunna kwandishan ɗin.

Ligatures da ke kusa da wuyan Ellen sun baiwa mai binciken lafiyar cikakkiyar hujja don tabbatar da cewa an shaƙe mata wuya da nata. Amma binciken da aka ci gaba zai nuna cewa an shake mata wuya kafin pant din ya zagaye wuyan ta. Masu binciken lafiyar sun tabbatar da cewa an kashe ta a safiyar ranar Lahadi.

Tambayar ta kasance; wa zai yi wannan? Kuma kamar yadda yawanci lamarin yake, masu binciken suna fara kallon matar a matsayin wacce ake zargi. Amma Ed ya tafi tafiya a ranar Lahadi, yana da ƙaƙƙarfan alibi, tare da shaidu huɗu. Ba zai iya yi ba. Ta yaya zai kasance a wurare biyu lokaci guda?

Ed ma ya yi magana da matarsa ​​a daren kisan gillar a gidan wani aboki, duk sun ji shi a waya.

Masanan kimiyya sun dimauce musamman Dr. Henry Lee na Kwalejin Laifin Laifi na Jihar Connecticut. Wancan har sai wani ya fito da wani bayani wanda zai busa murfin lamarin.

Mashaidin ya ce ta yi karo da Ed ne a shagon bidiyo na yankin da safiyar tafiyarsa. Ta ce Ed ya ba da shawarar fim ɗin ban tsoro wanda ake kira Ɓoyo, wani sirri ne game da wani mutum mai suna Allen Devlin da ya lalace, wanda tun da wuri mai yiwuwa ya kashe matarsa ​​da ’ya’yansa da wulakanci sannan ya yi amfani da wurin da ya aikata laifin don dakile masu bincike.

A cikin fim din, Richard Widmark, Detective Joe Steiner, ya kunyata kuma ya tashi don tabbatar da cewa Allen, a zahiri, ke da alhakin kisan gillar.

Ka tuna da kwandishan? A cikin "Blackout" mai kisan yana amfani da wayo don ya jefa masu binciken. Ya juya kayan aiki zuwa mafi girman saitin sa ya bar shi yana aiki.

Yanayin sanyi mai tsananin sanyi yana tafiyar da yanayin aikin dattako da ruɓar jiki wanda zai iya sa masu bincike su kimanta ainihin lokacin mutuwa.

Dukansu Widmark a cikin fim ɗin da masu binciken rayuwa na gaske a cikin shari'ar Sherman sun gano wannan kutse na kisan kai. A cikin shari'ar Sherman inda mai binciken ya tantance lokacin mutuwar zai kasance Lahadi, sun ɗauka cewa tare da na'urar sanyaya iska tana gudana, lokacin mutuwar a zahiri kwanaki biyu ne kafin, ranar Juma'a. Wannan yana nufin Ed zai iya yin hakan kafin barin tafiya kamun kifi.

Duk da haka, Ed ya kira matarsa ​​daga nisan mil da daddare a daren kisan kuma abokansa na iya tabbatar da hakan. Sai dai ba da sani ba ga Ed, akwai wani a waya, ɗayan 'yan matan mutumin da ta ba da rahoton cewa ta ɗauki mai karɓar don yin kira kuma ta ji yana magana, kawai ba ya magana da matarsa, yana magana a kan ringing a ɗayan ƙarshen: kiran ya kasance karya.

Dangane da wasan kwaikwayon na Forensic Files (cikakken labarin da ke ƙasa), Ed ya shake matarsa ​​har ya mutu da hannuwansa bayan cin abincin dare a ranar Juma'a. Daga nan sai ya lullube rigar a wuyanta don kokarin yaudarar masu binciken su yi tunanin laifi ne na jima'i.

Bayan haka, kuma wahayi zuwa gare ta fim din Ɓoyo, sannan ya mayar da na'urar sanyaya iskar zuwa sama don rage rarrabuwar kawuna a ƙarshe yana karkatar da Coroner da ainihin lokacin mutuwa. Daga nan sai ya tafi gidan abokinsa don yawon kamun kifi, ya yi izgili da kiran da aka yi masa a daren nan duk a cikin kunnen abokansa, amma bai san wani yana saurare ba.

Thanksarshe godiya ga fim ɗin Ɓoyo, masu binciken sun kammala da cewa tare da yanayin sanyi, ainihin lokacin mutuwa ba ranar Lahadi ba, amma kwana biyu A baya lokacin Ed har yanzu yana gida.

An kama Ed Sherman da kisan kai. Masu gabatar da kara sun ce Ellen ta yanke kauna game da aurensu kuma tana son a raba auren. Ita, kasancewarta babban mai mallakar kasuwancin ta gaya wa Ed zai iya samun budurwarsa da jirgin ruwan, kuma ba wani abu ba.

A yayin shari'ar, masu yanke hukunci suna da sha'awar sanin game da lokacin mutuwar Ellen. Dangane da shaidun bincike-bincike sun tabbatar da cewa Ed yana da lokaci da kuma dalilin yin kisan, kuma shekaru shida bayan aikata laifin an same shi da laifin kisan kai na farko, kuma aka yanke masa hukuncin shekaru 50 a kurkuku.

Ed bai taba amincewa da laifi ba kuma shekaru uku bayan yakinin ya mutu a kurkuku bayan fama da ciwon zuciya.