Second Sister (2025)
Movie 1h 30m ★ 4.5/10
Good for tonight if you want to: keep me on the edge
Dating from 2025, Second Sister sits in the crime and thriller corner of our catalogue. It is directed by Shin Jai-ho. The cast includes Kim Min-gue, Kang Seo-ha and Seong Hee-hyeon. The running time is 1h 30m. Audiences give it a mixed score of 4.5 out of 10.
Synopsis
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
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Cast & crew
Data from TMDB. Page last updated 4 Oct 2026. Download share image
Questions about Second Sister
- What genre is Second Sister?
- Second Sister is categorised as Crime, Thriller.
- Who stars in Second Sister?
- Kim Min-gue, Kang Seo-ha, Seong Hee-hyeon, Park Dong-hyeok appear in the main cast.
- Who directed Second Sister?
- Shin Jai-ho directed Second Sister.
- How long is Second Sister?
- Second Sister runs for 1h 30m (90 minutes).
- Is Second Sister worth watching?
- It holds an audience score of 4.5/10. Check the similar titles below if you want alternatives in the same style.
- Where can I watch Second Sister?
- Availability changes by country and over time. Use the "Where to watch" links on this page to see which legal streaming, rental or purchase services currently offer it.
