Ruler: Master of the Mask Episode 10

Prince asked Woo Bo to teach him to win Hyunsoo group. Woo Bo advises the prince not to do anything until he realizes what to do on his own. 

Moo-ha finds Ga-eun who is suffering after her father's death. She says Moo-ha that the village people are her new family and she will build a market there. She also asks Moo-ha to find a way to supply herbs to the palace. 

Woo Bo calls a friend to train the prince. He teaches the prince that the peddler's group is the best place to earn the most reliable network of information and circulation markets in the nation. Prince becomes a peddler. 

The prince finds a woman crying out for her dead husband. He learns peddlers often die on the road. Collecting merchant fees, he gets an idea to use the fees for members injury and funerals. The chief used to spend the money for drink. The idea is accepted together with the prince himself. 

5 years later. The mother of Lee Sun misses her son. 

He is at the palace right next to her majesty. The courtiers persistently demand to stop regency by the queen mother. The royal seal is finally moved to King Lee Sun. 

As if he had waited, Dae Mok instructs to collect all loans Yangsu-cheong issued so far from everyone including Pyunsu-group members. 

People are in despair with a sudden repayment order. Ga-eun decides to meet the head of peddlers to ask for help. 

Prince and Choong-woon infiltrate into one of Pyunsoo group's secret house to learn their plan. At there, prince sees Ga-eun who stops by the place without knowing it belongs to Pyunsoo group.