The top killer Xi Haitang was betrayed and died while performing a mission. He was reborn three years ago and became an 18th-line youngster who was besieged by black fans all over the Internet and was about to retire. In this life, he is bound to the "Cute Value Redemption System". As long as he is considered cute and innocent by others, he can obtain survival points to repair his damaged soul. Once his killer nature is exposed or he has murderous intentions, his points will be cleared and he will suffer severe pain. Faced with the crazy entanglement of the gangster leader who once pushed him into the abyss, Xi Haitang had to put away his fangs and disguise himself as a harmless milk dog. He works step by step in the trivialities of daily life, resolving fatal crises one after another with seemingly cute actions, but under the fog of strong suspense, he quietly weaves a web of revenge. When the black fans noticed that the eyes of this "milk dog" occasionally flashed a cold light, the identities of hunter and prey had been reversed.
