She was a student in the literature department of a university. During a spring outing, she accidentally fell off a cliff and time-traveled to the tree outside Su Dongpo's window. This started her journey through time...
It turns out that she is the so-called "no one like her in history" Su Xiaomei.
She stood by the door of Su Mansion, watching the man in green shirt supporting his wife and going to Beijing with his father and brother to take the exam. She slowly squatted down with tears streaming down her face; finally, she turned and left.