Li Ming, a low-level wage earner, rescued his cousin Su Wanqing during a street act of righteousness, and was introduced to the Haitian Bar, where he accidentally got involved in the undercurrent of the top forces in Dragon City. Rich woman Wang Haiying took a fancy to his courage and entrusted her late husband's Dihao Group to him, and also pushed a murder case that had been dusty for many years before him. From bars to syndicates, from the streets to the center of power in Dragon City, Li Ming walks on the edge of a knife and plays games in the dark night - and the secret that leads him step by step into the abyss is far more deadly than he thought.