A woman develops dissociative personality disorder due to the disappearance of her brother and the grief caused by the breakup with her longtime lover.
Han Jun Hee's boyfriend Ko Yeon Jun died one year ago. She still hasn't gotten over his death and misses him a lot. One day, she somehow travels back in time to the year 1998 and finds herself as high school student Kwon Min Joo. There, she meets high school student Nam Si Heon. She is surprised to see how much Nam Si Heon resembles her late boyfriend Ko Yeon Jun.
A drama about an incident that takes place when the owners of the boarding house called 'Guest Summer Palace', which breaks stereotypes, and boarders with secrets gather to find Lee Seol who disappeared 13 years ago.
Sung Deok-Im is a court lady. She gets involved with Crown Prince Lee San and he falls in love with her. The crown prince eventually becomes King Jeongjo. He now desires Sung Deok-Im to become his concubine, but she refuses. Sung Deok-Im wants to live her life freely, something that will not be possible as a concubine. She also knows that life of a royal concubine does not generally bring about happiness. Yet, Sung Deok-Im becomes the concubine of King Jeongjo.