Flex X Cop (Korean: 재벌X형사) is a South Korean television series starring Ahn Bo-hyun, Park Ji-hyun, Kang Sang-jun, Kim Shin-bi, and Kwak Si-yang. It is based on a format created by Sreda, and a remake of the 2015 Russian television series, Silver Spoon. The first season aired on SBS TV from January 26, to March 23, 2024, every Friday and Saturday at 22:00 (KST). A second season has been confirmed. It is also available for streaming on Wavve in South Korea, and on Disney+ in selected regions. The second season aired from August 7 to September 19, 2026, every Friday and Saturday at 21:50 (KST).
Contents
Synopsis
Season 1
The series narrates the storyline of Jin I-soo, an immature third generation chaebol turned detective, and Lee Gang-hyun, a veteran detective in the violent crime department. Gang-hyun initially holds reservations about I-soo, seeing him as a disruption in her life. However, a pivotal moment in their relationship ultimately leads to them becoming partners.
Season 2
In this season, Jin I-soo, having officially become a detective, takes on investigations on an even larger scale. Joo Hye-ra, the new leader of the violent crime department, joins the team, bringing changes to its dynamics as they take on major cases.
Cast and characters
Main
Ahn Bo-hyun as Jin I-soo
Jang Sun-yool as young Jin I-soo
An immature third generation chaebol turned detective who loves having fun. He catches criminals by mobilizing not only his enormous wealth and personal connections of the chaebol family, but also his brilliant brain power and various activity skills acquired while having fun.
Park Ji-hyun as Lee Gang-hyun (season 1)
Nam Goong-rin as young Lee Gang-hyun
A veteran detective who loves risking her life during investigation, and apprehending criminals. She is the first female team leader in the violent crime department.
Kang Sang-jun as Park Jun-young
Gang-hyun's friend and a member of Gangha Police Station's violent crime department. He dreamed of becoming a soccer player but decided to join the police force to not burden his mother.
Kim Shin-bi as Choi Kyung-jin
The youngest member of Gangha Police Station's violent crime department.
Kwak Si-yang as Jin Seung-ju
I-soo's older brother who is vice chairman of Hansu Group.
Jung Eun-chae as Joo Hye-ra (season 2)
A former ace of the National Police Agency's Counter-Terrorism Team and the new team leader of the violent crime department team 1 at Gangha Police Station.
Supporting
Kim Byung-chun as Hwang Sung-gu
Chief of Gangha Police Station.
Lee Do-yeop as Park Chan-gun
Chief detective of Gangha Police Station.
Kim Gyeol as Ahn Byeong-sik
Team 2 leader of Gangha Police Station's violent crime department.
Jeong Ga-hee as Yoon Ji-won
A forensic doctor at the National Forensic Service.
Kim Myung-soo as Cho Jeong-hun
I-soo's secretary who is honorary director of Hansu Group.
Recurring
Special appearances
Recurring
Special appearances
Production
Season 2
Development
On March 18, 2024, SBS confirmed the production of Flex X Cop Season 2.
Casting
On August 14, 2025, it was reported that Park Ji-hyun would not return for the upcoming season due to scheduling conflicts, with a new actor set to join the cast.
On October 15, 2025, it was reported that Jung Eun-chae was in talks to join the second season as a new character.
On December 4, 2025, SBS officially confirmed the main cast for the second season, with Ahn Bo-hyun reprising his role and Jung Eun-chae joining the cast as the new female lead.
