Second Sister

Name: Second Sister
Director: Shin Jai-ho
Genre: Thriller, Crime
Released: 2025-12-17
Duration: 90 min
Rating: 6.0
Cast: Kim Min-gue, Kang Seo-ha, Seong Hee-hyeon, Park Dong-hyeok

202590m

★ 6.0

ThrillerCrime

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.

Where to Watch Second Sister Free Online

Watch Second Sister full movie online for free in HD quality on Watch Online Stream. Stream from Netflix, HBO Max, Disney+, Prime Video, and more without any subscription or sign up. 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.

Cast

Kim Min-gue

Kang Seo-ha

👤

Seong Hee-hyeon

👤

Park Dong-hyeok

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