Song Ran, a doctor of medicine from the 21st century, unexpectedly traveled through time and awoke in the body of the Prime Minister’s eldest daughter, who also happened to be named Song Ran. However, this new body was on the verge of death. To save herself, Song Ran lied that she was carrying the child of Prince Xiao Jue. Moved by her claim, the Empress allowed her to marry Xiao Jue. When Xiao Jue regained consciousness, he was suspicious of Song Ran, but he still protected her, knowing that she could remove the remaining poison from his body. As they spent more time together, day by day, they gradually began to change their views of each other.
