When an illicit arms deal goes bad, North Korean spy Pyo Jong-seong finds himself targeted not just by the South Koreans but also his own bosses.
An honest cop has to compromise with his principles when he is told to find a scapegoat for a high-profile serial killer case in exchange for a big promotion.
When Jaehee, a top call girl at a club in Gangnam, goes missing, Detective Kang Dongwoo returns to crack the case. Prosecutor Min Seojin aims to rise in rank, while the notorious pimp, Yoon Gilho becomes a prime suspect. They unravel a web of secrets and connections behind the case.
