Second Sister (2025)

Description:

The gripping cyber-thriller Second Sister follows the tragic story of Jieun, a high school student who becomes the victim of a heinous crime. Instead of receiving sympathy, she is targeted by distorted online posts and malicious comments that paint her as the perpetrator, ultimately driving her to take her own life. Devastated by the tragedy, her sister Soeun refuses to let the lies win. She enlists the help of detective Junkyung to uncover the truth behind her sister's unfair death. Junkyung begins a relentless hunt to track down a mysterious suspect hiding in the shadows of cyberspace. As the investigation deepens, clues are revealed one by one, turning a simple online rumor into a highly complex web of truth involving anonymous accounts. This intense mystery highlights the terrifying power of online misinformation and a sister's desperate fight for justice. Can Soeun and Junkyung expose the real culprits behind the screen before it is too late?

Duration: PT1H30M

Airs On: Jul 28, 2026 - ?

Country: South Korea

Status: Completed

Released: 2025

Genre: Crime; Thriller