Moving in silence, Hwi strategizes retaliation against her grandfather. Kim Ga On reappears in front of the king with a startling confession.

Yoon Hyeong Seol sets out to find the damning ledger and keep his promise to the king. Prince Won San puts two and two together about Hwi's identity.

Rumors about Hwi and Ji Un's close relationship circulate amongst the palace staff. To protect his son, Jung Seok Jo takes matters into his own hands.