Cheng Jingmo is the heir of a tea merchant family and a free-spirited young man who is passionate about landscape painting. Ruan Qiushui is a tenacious girl with first-class actuarial ability and burdened with her father's debts and family burdens. The emotions and fate of the two in the play are like "ink and wash", blending and inseparable, but as time goes by, they will also face the dilemma of "water staining ink into turbidity".