Flex X Cop Season 2

Jin I-Soo, who comes from a wealthy chaebol family, accidentally began working as a detective. He found his calling working as a detective and developed camaraderie with the other police officers. He completes formal training at the police academy and returns to the violent crimes team, but Joo Hye-Ra, the evil instructor who treated him severely there, appears at the violent crimes team 1 as their new leader.