Ji Ziyu has been wandering around with his mother since he was a child to avoid gangsters collecting debts. After experiencing his mother's death and having no fixed place to live, he slowly developed a social disorder. Until he was rescued, and under Ji Ziyu's care for nearly a month, the two communicated with each other and confirmed their relationship. Ji Ziyu gradually became optimistic after having Fu Junyan again. But Fu Junyan suddenly left one day and completely disappeared from Ji Ziyu's world. From then on, Ji Ziyu gradually despaired, collapsed, and split into a personality that was completely opposite to Ji Ziyu - Ji Zihen. Many years later, after Ji Zihen discovered that he (Fu Junyan) no longer remembered him, he planned a meeting to retaliate against Fu Junyan for leaving without saying goodbye, and arranged for him to get a certificate and get married. One night when Fu Junyan was drunk, Ji Zihen took out a knife and stabbed him...
Concept: The love-hate entanglement between two people and three personalities