As Korea's biggest crime organization 'Goldmoon' expands its powers, Kang, the head of police investigation planning department, orders the undercover cop Ja-Seoung to participate in project "New World", that will take down 'Goldmoon'. Ja-seong must choose either to follow Kang's orders as a cop or to keep his loyalty with Jeong Cheong, the under-boss of the 'Goldmoon' crime organization.