Soon-duk and Jeong-woo find a new match for Doo-ri, bringing their matchmaking project to a near end. The King starts an investigation on the interpreter from Ming who procured poison that killed the Princess. Soon-duk decides to come clean and confesses to her mother-in-law that she is the Lady Yeoju who has been working with Jeong-woo. Meanwhile, Jeong-woo finds out which family Soon-duk belongs to.
