A politician and a wealthy CEO scheme with a reputable journalist to create slush fund and to manipulate public opinion. They use Ahn Sang-gu, a gangster deeply involved in politics, to manage their slush fund, but Ahn Sang-gu gets caught and as a result is abandoned. Sang-gu is bent on having his revenge. On the other hand, Woo Jang-hoon, a prosecutor without any powerful friends, is desperate to solve the slush fund case so he can get a promotion.