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Second Sister

Find the murderer hiding in the network

High school student 'Ji-eun' was the victim of the crime, but distorted online posts and malicious comments made her into the perpetrator in the public eye, driving her to take her own life. Her sister 'So-eun' finds detective 'Jun-kyung' to uncover the truth behind her sister's unfair death, and he begins hunting down a suspect in cyberspace. As clues are revealed one by one, the case grows from a simple rumor into a complex web of truth involving anonymous accounts.

Original title: 망내인: 얼굴 없는 살인자들
Genre: Thriller, Crime
Director: Shin Jai-ho
Cast: Kim Min-gue, Kang Seo-ha, Seong Hee-hyeon, Park Dong-hyeok
Country: South Korea
Studios: Studio Joyful, Big Ocean ENM, 스튜디오 아발리, New Branch Contentory
Language: ko
Year: 2025
Duration: 90
Release date: 2025-12-17
TMDB: 4.500 · 4 votes
Status: Released