Busan'da bir yetimhanede büyüyen Ok Chanmi, Seul'e evlat edinilen ikiz kardeşi Park Wonseok'un intihar ettiğini duyar. Chanmi, Wonseok'un kendini öldürdüğüne inanmıyor ve suçlunun hala okulda olduğuna inanıyor. Ancak, ne polis ne de Wonseok'u evlat edinen ailesi ona inanmayınca, Chanmi meseleyi kendi başına halletmeye karar verir.

Revenge of Others

'Junsu' a bumpkin who hates studying, 'Seok-tae' a bumpkin who hates to go to the army, 'Cheol-woo' a bumpkin who has nothing to do. The so-called "Righteous Bully" trio decides to go to Seoul with their mother's secret money. They arrived in Seoul, filled with dreams of a bumpkin, but on the verge of losing their money in front of their eyes. To make matters worse, they reunite with their senior, 'Man-su', and gets caught up in an entangling case that becomes out of control. The "Kkangchi" trio from Gyeongsang-do takes over Seoul!