Hwarimsinpil

Mu-Yeong, a former slave, has his unique paintings, the culmination of a lifetime’s work, stolen by the young master Hwang
Hwi, and is then falsely accused of stealing the young master’s paintings. Determined to reclaim his stolen identity, Mu-Yeong vows to take revenge on the established powers of the orthodox school.

(Source: Naver, translated)