The series revolves around the thoracic surgery department of a hospital.

In the modern age, Jang Bong-hwan is a chef who works for the country's top politicians at the Blue House. He has a free spirit, but he one day finds himself in the body of Queen Cheorin in the Joseon period.

Hee-ra is the owner of the Witch's Diner where employee Jin and intern Gil-yong work with her. Guests are welcome to the Witch's Diner where they sell their souls for their wishes to come true.

A woman born in Korea navigates her way through love, war, politics and national loyalties to become a powerful empress in China's Yuan dynasty.

“We are neither kids nor adults. When do we become adults then?” Min Jae and Seo Yeon are no different from ordinary 17-year-old high school students. Min Jae is silent and sensitive, yet a good student. Seo Yeon who plays the piano wished to enter an arts high school but failed. As they grow into adults, their surroundings and the reality they face get harsher. These two somehow similar but different friends get closer as they overcome their growing pains together.