Man to Man is a South Korean action-thriller drama that first aired in 2017. Blending espionage, comedy, and bromance, the series follows Kim Seol-woo, a mysterious and highly skilled black ops agent, who goes undercover as a bodyguard for a popular Hallyu actor. As secrets unravel and hidden agendas emerge, the line between duty and personal loyalty begins to blur. The drama stars Park Hae-jin in the lead role, supported by a strong cast including Park Sung-woong, Kim Min-jung, Chae Jung-an, and Yeon Jung-hoon, each bringing depth and charisma to their characters.