Chen Fan, the master of the "Hall of Hell" who once frightened the world's underground forces, codenamed "Long Shuai", suffered heavy casualties among his brothers due to a tragic betrayal. He himself also faked his death and retired, joining the Su family, a third-rate family in Zuojiang City, and became a "good-for-nothing son-in-law" who can be bullied by everyone. He originally wanted to return to ordinary life and protect the sister (the nominal wife) of his brother who died in the war. However, a blood-stained letter asking for help from a former comrade broke the tranquility of the city. A mysterious organization called "Abyss" is hunting the remaining members of "The Palace of Hell" and trying to get involved in the gray areas of the world. For revenge and protection, Chen Fan was forced to "come out".
