At King Taejong's coronation banquet, he and Queen Wonkyung celebrate their love and trust. But their bond is tested when Yeongsil, who secretly raised Bang-won's child, reappears.

Yeongsil disrespects Wonkyung, believing in the king's favor. When Bang-won takes another woman-Wonkyung's trusted maid Charyeong-his wife finally reaches her breaking point.

Wonkyung discovers a secret plot to restore the former king. If she tells Bang-won, her own family's betrayal will also be exposed.

The coup is stopped, but Yeongsil is caught in the mess. Bang-won tries to protect her, shaking Wonkyung's trust in him.

King Bang-won plans to take new concubines. Wonkyung resists, but Charyeong, now pregnant, strengthens her hold on the king.

A rebellion breaks out, and Wonkyung sets aside her resentment to help Bang-won. But his plan to cut ties with powerful noble families puts her own family in danger.

Wonkyung stops the forced tribute of women to Ming China, but her growing influence leads Bang-won to consider replacing the crown prince.

Wonkyung blocks the crown prince's removal, fearing it will put his life at risk. Meanwhile, a real estate scandal threatens her position.

King Bang-won wants to pick a political bride for the crown prince, but Wonkyung insists on choosing based on merit. She publicly challenges his decision.

Queen Wonkyung discovers corruption among royal relatives but is framed for treason. With the people's help, she returns to the palace and reminds Bang-won of their shared dream.

King Bang-won orders the execution of Wonkyung's brothers. She tries to accept his decision as king, but their relationship is never the same.

King Bang-won finally agrees to replace the crown prince. Wonkyung ensures their son, Prince Chungnyeong, presents his vision for the future-laying the foundation for a great Joseon.