Red Sleeve

Wonbin suddenly falls into critical condition. Although she has absolutely no problems with her health, she suddenly meets her death at a young age. Despite Duk Ro's great grief for losing his younger sister, he still must fulfill his task in finding the court maids who suddenly went missing. As Kyung Hee is also one of the missing maids, Duk Im sets out on her own to find her close friend.

San orders Duk Im to leave the palace. After one year, Duk Ro and Duk Im run into each other at the street market, and Duk Ro suggests to her that she should run away with him. Meanwhile, San happens to stay the night at Princess Cheongyeon's place and sees Duk Im after a long time. However, San decides to put the past behind and selects a new royal concubine.

Consort Hwa is infuriated with jealousy, and she tries to sabotage Duk Im with the help of Queen Dowager. Consort Hwa frames Duk Im for having relations with a man and makes Queen Dowager interrogate her. Therefore, all four of them, including San, gather at Consort Hwa's chambers, and San makes his final decision.

The Crown Prince did not manage to survive the sickness. Although Duk Im and San fall into great grief, they regain their strength quickly for the sake of the country and their unborn baby. However, due to the plague and other events, close people around them pass away. Despite the numerous incidents, San remembers his duty as King and stands firmly to put the country on the path to peace.