Flex x Cop Season 1 is an entertaining crime drama that combines murder investigations with comedy, action and romance. Jin Yi-soo’s transformation from a carefree chaebol heir into a capable detective gives the season its unique personality, while his partnership with Lee Kang-hyun creates a strong balance between his unconventional methods and her traditional police work. The season also develops a deeper mystery surrounding Yi-soo’s family and his mother’s death, giving the later episodes more emotional weight.
Jin Yi-soo, the immature heir of Hansu Group, gets into a fight with a stranger and ends up being arrested by detective Lee Kang-hyun. His privileged background unexpectedly leads him into the police force, setting up his unusual new life as a detective.
A model is found dead on a yacht, giving Yi-soo his first murder investigation. Working alongside Kang-hyun, he begins using his wealth and connections to investigate the case in ways that traditional police methods cannot.
The investigation into the model’s murder continues as the team identifies a major suspect. However, new evidence reveals that the case is more complicated than initially believed, bringing several other suspects into the investigation.
A famous painter is murdered inside an art gallery, sending the team into another complicated investigation. At the same time, Yi-soo returns to his childhood home and begins confronting memories connected to his family.
Yi-soo captures the main suspect in the painter’s murder case, but the investigation reveals information he was not expecting. The case begins to affect him personally as more secrets emerge.
The death of an elderly person initially appears straightforward, but Kang-hyun believes there is more behind it. While she works through conventional investigation methods, Yi-soo approaches the case using his own unconventional style.
A bizarre body is discovered inside an office, forcing Yi-soo and Kang-hyun to investigate another mysterious death. As they dig deeper, the strange circumstances surrounding the victim reveal a much more complicated case.
A man is discovered at the suspect’s house, giving the investigation a new direction. Yi-soo follows the connection between a suspicious object and the victim’s death while the team tries to identify the person truly responsible.
Yi-soo undergoes hypnosis to recover forgotten memories while searching for his father, Jin Myung-chul. At the same time, an actress is found dead, giving the team another major case to solve.
Yi-soo and Kang-hyun discover that the murdered actress had been stalked and harassed before her death. Their investigation focuses on the stalker’s behavior as they try to uncover what really happened.
Two people connected to the mysterious Oryunhoe suddenly die, raising serious questions for Kang-hyun. She begins investigating the organization while Yi-soo becomes increasingly connected to the dangerous situation.
Yi-soo encounters Kang-hyun at Oryunhoe, putting both of them in a dangerous situation. Their presence risks exposing their involvement and forces them to deal with the cult leader without revealing their true intentions.
An unidentified body is discovered in Myung-chul’s backyard during an important election period. Yi-soo takes charge of the investigation as the discovery threatens to expose secrets within his own family.
The team manages to arrest the suspect connected to the latest case, but Yi-soo discovers disturbing secrets inside his own household. The investigation begins moving closer to the truth about his family.
Shocking news leaves Yi-soo deeply troubled, forcing him to question what he knows about his family and his mother’s death. Kang-hyun quietly investigates the situation to help him uncover the truth.
The truth surrounding Yi-soo’s mother’s death finally begins to emerge. As painful family secrets are exposed, Yi-soo is forced to confront an unbearable reality and decide what kind of person and detective he wants to become.