Ji Hyeong-do is an assassin for a company that masquerades as a metal trading firm. One day, he takes on a job partnering with a young man (Ra Hun) whom he is to kill afterwards. Ra Hun asks a favor of Hyeong-do, which is to give money to his family. Hyeong-do visits Ra Hun's home where he meets Ra Hun's mother, Yu Mi-Yeon, a former singer whom Hyeong-do admired in the past. Guilt, an unknown feeling up to this point for Hyeong-do, begins to take him over. When Hyeong-do's company realizes that he hasn't taken out Ra Hun as planned, Hyeong-do quickly becomes targeted. Written by luraz isketambola

In Seoul, Ryu, a deaf worker has a sister who needs a kidney transplant. He tries to donate his own kidney to his sister, but his blood type is not compatible with hers. When Ryu is fired from Ilshin Electronics, he meets illegal dealers of organs, and the criminals propose that he give them his kidney plus ten millions Won to obtain a kidney suitable for his sister. Ryu accepts the trade, but he does not have money to pay for the surgery. His anarchist revolutionary girlfriend Cha Young-mi convinces him to kidnap Yossun, the daughter of his former employer Park, who owns Ilshin Electronics. However, a tragedy happens, generating revenge and a series of acts of violence. Written by Claudio Carvalho, Rio de Janeiro, Brazil