Soon Deok and Jung 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 Deok decides to come clean and confesses to her mother-in-law that she is Lady Yeoju who has been working with Jung Woo. Meanwhile, Jung Woo finds out which family Soon Deok belongs to.