The queen dowager tells the crown prince to wed. As Ji-un recalls previous night's events, he realizes the reason behind his rollercoaster of emotions.

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 Wonsan 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.

Hyun and Lord Sangheon learn of Prince Wonsan's secret ploy to dethrone the king. Hwi prepares to take down her grandfather — alone.

Returning to the palace with a vengeance and an army, Lord Sangheon and Prince Wonsan spare no one in their bloody path to the crown.