No matter how many years have passed, the dark days of his childhood have always shackled Zhao Fei like a shadow. The blood, death, fear and smiling boy will always wake him up from countless midnights. He promised to take him home, but because of his mistakes, the two of them broke up.
Gao Chuan knew that he was in hell and could not escape from the abyss. He did not want to drag Zhao Fei into eternal disaster again, so he could only guard people silently in the darkness...
Concept: The boundary between black and white