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El regreso del policía sanguinario Killer Cop
También conocida como: Killer Cop · Kana Susamış Polisin Dönüşü · Killer Police · Killer Reborn · Policía vengativo · Return of Killer Cop · Return of the Bloodthirsty Police · Киллер-полицейский · ตำรวจนักฆ่า · キラー警察 · 杀手转职 · 殺手警察 · 킬러경찰 · Killer Gyeongchal
Bo Sal, a monk at the Hwaguksa Buddhist temple and head of the Hwaguksa hitman group, picked up Bi Gwang as a child and raised him as a hitman. When Bi Gwang grew tired of the killing and decided to leave the group to start living a normal life, Bo Sal and the other members of the Hwaguksa group betrayed and killed him. After his death, Bi Gwang's soul was transferred into the body of a police officer named Kim Gyeongsu and he vowed to take revenge on the Hwaguksa group for their betrayal.