Mr. Zixu, the master of the heroine Qin Sisi, calculated that she would have to experience a disaster in her life, so he asked her to go down the mountain with a letter to diagnose and treat Pei Zeyan's father. During the battle of wits and courage with Pei Zeyan, she fell in love with him unknowingly. At the same time, the mystery of her life experience was slowly revealed...