When he woke up, his world changed. Unable to face reality, he was depressed and his family said he was delusional. In the eyes of others, he seemed crazy and said he had hit a ghost. The faint sadness in his heart guided him to retrieve his lost memories step by step. But what happened next always caught him off guard and made him fall into an endless abyss. Can't escape, can't hide. The deep guilt made him breathless, and in the end, he didn't know whether his own choice was right or wrong. . . . .