The King puts Euncheon with Prince Seo to train him and teach him the ways; Seo gets kidnapped by Yule while in China and is forced to go through with a fake marriage.

Seo finds the assassin and discovers that the king was poisoned during the attack; Yule wakes up from her illness, and decides to move her shop to Koryo.

Yule finds Prince Seo while she is in disguise as a man; they finally meet and Yule finds out that he is married and has a wife.

A Goryeo prince falls in love with a Balhae princess.

Yule decides to make Soe work at the guild and learn how to be a merchant; Soe steals the accounting books in Yule's room.

Soe passes the promotion exam with Cheonghae Guild and says his goodbyes to everyone; on his way out he decides to become brothers with Yule.