Feature2023·117m·7.3

Unlocked

Why are you doing this to me?

ThrillerCrimeMystery

A woman's life is turned upside-down when a dangerous man gets a hold of her lost cell phone and uses it to track her every move.

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Cast

Chun Woo-hee

Lee Na-mi

Yim Si-wan

Oh Jun-yeong

Kim Hie-won

Woo Ji-man

Park Ho-san

Lee Seung-woo

Kim Ye-won

Jeong Eun-joo

Jeon Jin-oh

Kim Jeong-ho

Oh Hyun-kyung

CEO Oh

Ryu Sung-hyun

Chief of Detective

Jeon Ik-ryoung

Jeong-mi

Kim Joo-ryoung

Eun-mi

Lee Jung-eun

Chu-yeong

Kim Sun-hoa

Ja-eun

Kim Min-ju

Soo-jin

Lee Yong-nyeo

In-ja

Kil Hae-yeon

Je-yeon

Choi Chan-ho

Woo Jun-yeong

Baek Do-kyeom

KCSI Team Leader

Park So-eul

Young Lee Na-mi

Park Byeong-hoon

Detective

Lee Chang-yong

Cybercrime Detective

Details

Status
Released
Original language
Korean
Languages
Korean
Budget
Revenue
Age rating
Quality
4K UHD · HDR10 · Dolby Vision
Production
Studio NMizi FilmCJ Entertainment

Crew

Director

Kim Tae-joon

Writers

Kim Tae-joon, Akira Shiga

Shin Min-kyung

Editor

Dalpalan

Original Music Composer

Kim Yong-seong

Director of Photography

Lee Nae-kyung

Production Design

Shin Ji-young

Costume Design

Heo Jun-hyuk

Original Music Composer

Gallery

Reviews

Dean

2/1/2026

10.0

**Unlocked: A Masterpiece of Digital Terror** The story of Unlocked serves as a chilling 10/10 cautionary tale for the modern age, focusing on the terrifying reality of social assassination through technology. It begins with the simple, everyday misfortune of Lee Na-mi losing her smartphone on a bus, which is picked up by the methodical and sociopathic Oh Jun-yeong. Rather than a typical physical pursuit, the narrative shifts into a high-stakes psychological war as Jun-yeong installs spyware to clone her life. He doesn't just watch her; he systematically dismantles her world by alienating her from her employer, her best friend, and her father. The suspense is driven by the victim's total lack of awareness as her personal "database" is manipulated against her, leading to a brutal and claustrophobic final showdown that proves how easily a person can be erased when their digital life is compromised. The performances elevate this narrative into a true masterpiece of the genre. Im Si-wan is haunting as Jun-yeong, delivering a cold and clinical portrayal of a predator who views people as mere data points to be manipulated. His ability to remain calm and polite while committing heinous acts of digital stalking creates a bone-chilling contrast that is far more effective than a traditional slasher villain. Opposite him, Chun Woo-hee is phenomenal, capturing the raw vulnerability of a woman whose reality is crumbling. Her transition from an ordinary, hard-working office worker to a desperate survivor is visceral and authentic, grounding the film's technological horrors in a deeply human struggle. Together, they create a suffocating atmosphere of tension that makes this one of the most compelling thrillers in South Korean cinema.