The K2 is a 2016 South Korean television series starring Ji Chang-wook, Song Yoon-ah and Im Yoon-ah. It premiered on tvN every Friday and Saturday at 20:00 (KST) from September 23 to November 12, 2016 for 16 episodes.

Plot

Kim Je-ha is a former mercenary soldier for the PMC Blackstone. While in Iraq, Je-ha gets framed for the murder of his lover Raniya, a civilian, and becomes a fugitive. Je-ha escapes and returns to South Korea, where he is offered work as a bodyguard by Choi Yoo-jin, the owner of JSS Security Company and wife of presidential candidate Jang Se-joon. Je-ha accepts the job in exchange for resources that he needs to exact revenge on another presidential candidate Park Kwan-soo, who previously ordered Raniya's killing.