In Japanese-occupied South Korea, a young man, newly-released from prison, is accepted into a gang for his fighting skills and quickly rises to the top. Based on the life of South Korean mobster and politician Kim Du-han.

North Korea's 8th Special Forces hijack a shipment of CTX, a potent new liquid explosive, and threatens South Korea as part of a plot to re-unify the two countries. Ryu and Lee, special agents of O.P., South Korea's secret intelligence service, attempt to track down the terrorists and find the CTX. Meanwhile Hee, the 8th's ultra-bad female sniper, resurfaces to wreak havoc and haunt Ryu.

In mid-19th Century Korea, the people of Joseon Dynasty embrace the new religion Donghak. After the founder is executed, Choi Si-hyeong becomes Donghak’s second-generation leader and successfully propagates the religion, but in doing so becomes the object of oppression by the royal court.

Chang, an international killer, is inflamed by dark tissue, so he clears his past and lives a peaceful life as a dentist. To such Chang, the criminal organization Triyard wants to borrow his power to find drugs that have evaporated in Korea. However, in resolute refusal of the car, he kidnaps his lover, Wing, and offers a condition of exchange for drugs.