Modern doctor Su Yunjin, overwhelmed by exhaustion, suddenly dies and accidentally time-travels to ancient times, becoming an unattractive and unfavored princess. She fulfills the prince's love for his first love, obtains a divorce decree, and leaves with elegance. However, she is unaware that in the years she has been gone, the prince has gone mad searching for her... 现代医生苏云禾因劳累猝死意外穿越到古代成为王妃，运用自己的现代医学知识救治他人，男主赵淮之在和苏云禾相处的过程中逐渐被吸引，最终他认清自己的心意。