An incredibly honest police officer and a big joker, Seo Do-cheol, one day finds himself at a drinking party with the son of the CEO of Cho Tae-o Corporation, and he immediately dislikes him. When a detective friend, a contract trucker, attempts to commit suicide in the building of the same corporation, Do-cheol begins to suspect that something is amiss. However, it will not be easy to bring down the golden boy, whose father has connections and influence.