Song Jihyun is a master surgeon in the present day, but in a past life she was Elise de Clarence, an empress so hated that a rebellion ended with her execution. When her plane goes down over the Pacific, she wakes inside Elise's teenage body with everything she learned as a doctor intact. Modern surgery has never existed in this kingdom, and Elise sets out to use it, and the years she has been handed back, to undo the harm her first life caused.