Happy people are all the same, and unhappy people are all unhappy in their own way.
Lin Ningyuan lived in a small town with green tile alleys and mottled walls. The sunshine was warm but not strong, and his life was peaceful and beautiful. But one day, the illusion of happiness collapsed and he was defeated.
The cruelty of reality and the confusion in this alternating world of black and white made Lin Ningyuan like a sleeping boy, ready to be awakened at any time.
Zhou Ang is an old playmate. What kind of twists and turns will Lin Ningyuan go through when Lin Ningyuan, who has become a murderer, meets him again?