Grand Prince

The king is sick, so Lee Kang tries to acquire the legacy, but Hwi appears and obtains it instead. Meanwhile, Ja Hyeon is protesting against her forceful marriage, but soon she is happy to see Hwi again, her true love.

We are put back in time to see how Hwi and Ja Hyeon first met. Jahyeon was being deceived by a sneaky shop owner, but Hwi saves her. After some time, Ja Hyeon somehow finds herself in Hwi's room, and they accidentally meet again.

Ja Hyeon helps Hwi cure his arm, and encounters Lee Kang for the first time. After some time, Lee Kang and Hwi visit Ja Hyeon's place for a party. Lee Kang feels something special about Ja Hyeon.

Hwi sends Ja Hyeon gifts and letters, and soon they have a date, developing their relationship. The next day, Lee Kang appears in front of Ja Hyeon and forcefully asks her to marry him. She refuses, and Hwi comes to rescue her.

Hwi and Ja Hyeon's relationship matures as time passes. However Ja Hyeon finds out Hwi is a prince and disappoints, but soon Hwi delivers his honest feelings and they eventually promise to get married.

The king becomes unwell, yet Lee Kang plots a sneaky plan. Meanwhile, Hwi and Ja Hyeon does a private wedding, becoming an official couple. However, Hwi has to go to war to protect the country, and Ja Hyeon promises to wait.