This is the tale of Song Woo Mun, the son of a village inn owner. Born weak, his condition worsens when he loses his intellect due to Sansu-hwa, a painting gifted by a Sage. However, his fate takes an unexpected turn at the age of 20. As he awakens, he witnesses the Undefeatable Flower blooming within the painting. What secrets does this vision hold? And what mysterious world lies ahead for Woo Mun?