Tae-Joo (Jo Han-Sun) and Tae-Sung (Sung Hoon) are fraternal twins. They were separated from an early age. When they meet again, their places in life are at complete odds. Older brother Tae-Joo is a detective for a special investigation team currently working on a major relic smuggling case. Younger brother Tae-Sung is the #2 guy for a criminal organization.