Synopsis：The medical woman Shang Lu accidentally saved the emperor who was poisoned when he went to the mountains to collect medicine. After a one-night stand, only a handkerchief was left behind. After returning to the palace, the emperor ordered people to find the owner of the handkerchief. Unexpectedly, he was actually killed by Shang Lu's vicious best friend. She pretended to be the leader, and then Shanglu entered the palace by mistake and became a medical woman. After many twists and turns of the story, the two finally recognized each other and came together, and the evildoer also got the punishment he deserved.