Sol-i and Song-i head to Hanyang with the blueprint for a canvas invented by their father. On the way, he meets bandits and gets into trouble, but Baek Du-geon appears and defeats the bandits and saves Sol-i and Song-i. Sol-i and Song-i arrive in Hanyang and hand over a canvas and blueprint to Hong Cham-pan, and Baek Du-gun and the three musketeers become pozzols, causing a commotion. Hong Cham-pan, who was handed the blueprint, works with the grape master and tries to sell the blueprint to a Japanese spy (Miyamoto).
