Ye Xi and Yuan Qing have known each other since they were young.
He was an indifferent young man with an autistic younger brother.
She was young and innocent, with a touch of dependence and love, but her parents changed their relationship.
It seems that everything is related to Yuan Qing.
Later, Yuan Qing's departure without saying goodbye has always been a mystery that lingers in Ye Xi's heart. The answer was not revealed until later.