JTBC’s weekend drama “Good Boy” (2025) is a comic action youth investigation series about Olympic medalists who become police officers through special recruitment, trading their medals for police badges as they take on a world rife with injustice and foul play. Medalists from various sports—boxing, shooting, fencing, discus throw, wrestling—come together as a special task force, fighting against heinous crimes and social corruption, while searching for true justice and courage.
The main character, Yoon Dong-joo (played by Park Bo-gum), is a former Olympic boxing gold medalist who becomes a police officer, overcoming past wounds and risking everything for justice. Ji Han-na (played by Kim So-hyun) is a “shooting goddess” and former shooting gold medalist, now a police officer known for her cool-headedness and charisma. Oh Jung-se, Lee Sang-yi, Heo Sung-tae, and Tae Won-seok also appear as uniquely talented police officers, delivering teamwork, growth, laughter, and thrilling action.
Good Boy 2025
- Title: 굿보이 2025 | グッドボーイ 2025
- Genre: Sports, Comedy, Romance, Action, Crime, Youth, Coming-of-age
- Broadcast Channel: JTBC (simulcast on JTBC2, JTBC4)
- Broadcast Period: May 31, 2025 – July 20, 2025 (scheduled)
- Airtime: Saturdays at 10:40 PM, Sundays at 10:30 PM (KST)
- Number of Episodes: 16
- Planning/Production: SLL, Studio&NEW, Drama House Studio
- Director: Shim Na-yeon
- Writer: Lee Dae-il
- Cast: Park Bo-gum, Kim So-hyun, Oh Jung-se, Lee Sang-yi, Heo Sung-tae, Tae Won-seok, and others
- Filming Period: March 21, 2024 – February 11, 2025 (pre-produced)
- Streaming: TVING, Netflix, Wavve, Disney+, Coupang Play, Prime Video
- Rating: 15+ (suitable for ages 15 and up)
Table of Contents
Drama Good Boy Cast
Yoon Dongju (Park Bo-gum): A medalist who became a police officer through a special recruitment program, returning after 11 years. Blessed with natural endurance and fists, he won a gold medal in boxing but, after a single incident, fell from glory and started his second life as a police officer in the Violent Crimes Special Unit. Though initially frozen in this unfamiliar world, the rampant injustice and cheating awaken his dormant fighter instincts, and Dongju throws himself into justice without a second thought.
Ji Hanna (Kim So-hyun): A former gold medalist in shooting and now a corporal in the Violent Crimes Special Unit. She was called the “Goddess of Shooting” during her athlete days and enjoyed celebrity-like popularity, but also faced many anti-fans and misunderstandings. After a sudden retirement, she fulfilled her dream of becoming a police officer like her father. Now, her gun is aimed not at targets, but at cruel villains.
Min Jooyoung (Oh Jung-se): A level 7 customs officer at the Korea Customs Service, recognized for his diligence and solid work performance with a commendation from the commissioner. By day, he wears a gentle smile and plain suits, but by night, he becomes a shadow of evil ruling over Inseong City, showing relentless wickedness.
Kim Jonghyun (Lee Sang-yi): A former silver medalist in fencing who became a sergeant in the Violent Crimes Special Unit after an injury ended his athletic career. He graduated at the top of his class from the police academy and, after joining the special unit, wields his police baton as skillfully as a sword.
Go Mansik (Heo Sung-tae): A bronze medalist in wrestling and the team leader of the Violent Crimes Special Unit. He endured his athlete days with perseverance and tenacity, and now, drawing on experiences that greatly benefit his police work, he serves as a pillar of support for his team members.
Shin Jaehong (Tae Won-seok): A bronze medalist in discus throw and a corporal in the Violent Crimes Special Unit. As the first Korean to win a discus bronze medal, he joined the force through special recruitment for his family and is a warm-hearted, caring father.
other starring
- Hwang Kyungcheol (Seo Hyun-chul): Chief of the Police Department, close friend of Mansik
- Oh Jonggu (Jung Man-sik): Former national boxing coach, now CEO of J9 Security
- Kim Geumnam (Park Chul-min): Inseong City’s information broker, pawnshop owner
- Ahn Daeyong (Han Kyuwon): Team leader of the Inseong Police Agency’s Metropolitan Investigation Unit
- Jung Mija (Seo Jeong-yeon): Noodle shop owner connected to Dongju
- Jin Kyungsook (Seo Jaehee): Hanna’s mother and insurance agent
- Go Jeonga (Choi Myung-bin): Mansik’s daughter
- Lee Sang-gon (Kang Gil-woo): Leader of the Geumtokki crime syndicate in Inseong City
Good Boy Filming Location In Busan
The Gyeongil Noodle House filming location was originally an ordinary home that was transformed into a drama set.
Address: Cheonghak-dong, Busan
Busan jin-gu Hocheon Village
Address: Beomcheon-dong, Busanjin-gu, Busan
Busan Cinema Center Street
Address: U-dong, Haeundae-gu, Busan
Busan Port
Songdo Beach, Busan
Address: Amnam-dong, Seo-gu, Busan
Haeundae Marine City
Address: 1411, U-dong, Haeundae-gu, Busan
Other locations include Yeongdo and Dong-gu in Busan.
Songtan Market, Pyeongtaek
Address: 756-4, Jisan-dong, Pyeongtaek-si, Gyeonggi-do
Hongseong Boxing Gym
Address: 368-5, Ogari, Hongseong-eup, Hongseong-gun, Chungcheongnam-do
Oido Ok Guido Raw Fish Restaurant, Siheung
Address: 1973-24, Jeongwang-dong, Siheung-si, Gyeonggi-do
Other Good Boy filming locations:
- Songdo International City Central Park
- Yeoncheon Drama Set
Good Boy Plot Summary
The drama “Good Boy” (JTBC, 2025) is a comic action youth crime series about Olympic medalists who become police officers through special recruitment. Carrying their own pasts and wounds, they unite as the Violent Crimes Special Team “Goodvengers” to fight against injustice and major crimes in society. The protagonist, Yoon Dongju (Park Bo-gum), was once an Olympic boxing gold medalist, but after an incident that brought him down from glory, he starts the second chapter of his life as a police officer.
Unable to stand injustice, Dongju becomes a passionate police constable who throws himself into justice. His partner, Ji Hanna (Kim So-hyun), is a corporal and former shooting gold medalist, known as the “Goddess of Shooting” for her cool judgment and fiery passion. In addition, medalists from fencing, wrestling, discus throw, and other sports join the team, each with their own stories and personalities.
They solve major unsolved cases such as the “Golden Rabbit Case,” overcoming past trauma, social prejudice, and their own wounds to find true justice and courage. Blending sports, investigation, comedy, action, and youth, the drama delivers teamwork, growth, delightful humor, and thrilling action. With “police badges instead of medals around their necks,” it tells the story of passionate youth taking on new challenges, growing together, forging friendships, and realizing justice.
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