
She's on Duty
Chun Jae In (Kim Sun Ah), a tough and fearless detective, is assigned a mission like no other—she must go undercover as a high school student to protect Cha Seung Hui (Nam Sang Mi), the daughter of a dangerous crime boss. Disguised as a rebellious transfer student, Jae In must blend in with teenagers, survive high school drama, and uncover the whereabouts of Seung Hui’s fugitive father. However, things take an unexpected turn when she crosses paths with the mysterious and charming Kang No Yeong (Gong Yoo). As Jae In struggles to juggle homework, friendships, and gang fights, her street-smart attitude constantly clashes with her cover as an innocent student. Meanwhile, No Yeong seems to be hiding secrets of his own, making her question whether he’s a friend or foe. To complicate matters, Jo Gi Hun (Ha Jung Woo), a deadly enforcer with ties to Seung Hui’s father, starts closing in, raising the stakes for Jae In’s mission. Blending comedy, action, and romance, She’s on Duty delivers a unique mix of thrilling fight sequences, laugh-out-loud high school antics, and sizzling chemistry between the leads. The film’s fast-paced storytelling and witty dialogues make it an engaging watch, while Kim Sun Ah’s charismatic performance as a no-nonsense cop stuck in a teenage world adds to the film’s charm. If you love action-packed undercover missions with a touch of romance, She’s on Duty is a must-watch! Will Chun Jae In crack the case while surviving high school drama, or will her cover be blown? Get ready for an action-comedy rollercoaster packed with laughs, fights, and unexpected twists!
Details
🙂 Native Title: 잠복근무 (Jambok Geunmu)
🌎 Also Known As: Undercover Lady, Undercover Teacher
🎭 Genres: Action, Comedy, Crime, Romance
🏷 Tags: Undercover Cop, High School Setting, Disguised Identity, Strong Female Lead, Mafia, Detective, Comedy-Action, Secret Mission, Crime Investigation, Love Triangle
✍ Screenwriters: Kang Hyo Jin
🎬 Directors: Park Kwang Chun
🇰🇷 Country: South Korea
🎬 Release Date: March 17, 2005
📺 Original Network: – (Theatrical Release)
⏰ Duration: 1 hour 51 minutes
🔞 Content Rating: 15+ (Mild Violence, Action, Comedy)
Best Scenes
- Jae In’s First Day at School – Chun Jae In (Kim Sun Ah) struggles to fit in as a high school student, leading to hilarious misunderstandings and chaos.
- Epic Cafeteria Fight – A full-blown brawl erupts in the school cafeteria when Jae In takes on a group of bullies, blending comedy with well-choreographed action.
- Romantic Rooftop Moment – Sparks fly between Jae In and Kang No Yeong (Gong Yoo) as they share a heartfelt conversation under the night sky.
- Undercover Identity Almost Blown – When Jae In’s detective instincts kick in at the wrong time, she risks revealing her true identity to Seung Hui (Nam Sang Mi).
- Final Showdown with the Mafia – Jae In confronts Jo Gi Hun (Ha Jung Woo) and his gang in an intense action-packed sequence, proving she’s more than just a high school student.
Filming Locations
- Seoul High Schools – Real high school locations were used to create an authentic school atmosphere.
- Underground Parking Lot – A key fight scene between Jae In and gang members takes place in a dimly lit, tension-filled garage.
- Seoul Streets & Markets – Various chase scenes were shot in bustling city streets, adding a realistic touch to the film’s undercover mission.
- Warehouse Hideout – The film’s thrilling climax was filmed in an abandoned warehouse, enhancing the sense of danger.
- Police Headquarters – Scenes featuring detective briefings and mission planning were shot in real police training centers.
Visual Design and Costumes
- Classic School Uniforms – Jae In’s high school attire contrasts humorously with her tough detective persona.
- Detective-Inspired Streetwear – While undercover, Jae In sneaks in leather jackets and boots, making her stand out among real students.
- Gangster Styling – Mafia members are dressed in sleek suits and sunglasses, reinforcing their menacing presence.
- Neon-Lit Action Scenes – The film uses bold lighting to enhance tension during fight sequences.
- Comedic Facial Expressions & Makeup – Exaggerated expressions and light makeup play a role in enhancing the comedy aspect of the film.
Themes and Messages
- Balancing Duty and Personal Growth – Jae In learns to navigate the fine line between professionalism and personal emotions.
- Women in Law Enforcement – The film portrays a strong female lead in a traditionally male-dominated field.
- Friendship and Loyalty – Despite her mission, Jae In forms genuine bonds with her classmates.
- Justice vs. Crime – The contrast between the undercover detective and the criminals highlights the struggle for justice.
- Coming-of-Age Elements – While action-driven, the film also explores themes of identity, trust, and youthful experiences.
Interesting Facts
- Kim Sun Ah’s First Action Role – Known for rom-coms, She’s on Duty was her first film requiring intense action training.
- Gong Yoo’s Early Career Breakthrough – This role helped establish Gong Yoo as a rising star before his international success.
- Inspired by Hollywood Action-Comedies – The film draws influence from Western undercover cop movies like 21 Jump Street.
- Real Stunt Performances – Many fight scenes were performed by the actors themselves without doubles.
- Cult Following Among K-Drama Fans – The film remains a fan favorite due to its unique mix of comedy, action, and romance.
Awards
“She’s on Duty” has not received any notable awards or nominations. Despite its engaging plot and performances, the film did not secure accolades in major film award events.
Real-Life Loves on Set
There is no public information indicating that any real-life romantic relationships developed among the cast members during or after the filming of “She’s on Duty.” The interactions between the actors remained professional, focusing on their roles and the film’s production.










