Chen Mo, a young man from a small town on the 18th tier, was forced to enter the underground world of black boxing because his sister was seriously ill and urgently needed medical expenses. There, he met Lin Ying, a mysterious female boxer known as the "Queen of the Night." Lin Ying not only has amazing fighting power, but also masters the remaining chapters of the ancient martial arts "Nine Nether Secrets". In an accident, Chen Mo discovers that Lin Ying hides a shocking secret about the awakening of urban superpowers - she comes from a destroyed superpower research institute, and has a power code that changes the world sealed in her body. The two went from being hostile to joining forces, and in the boxing ring of blood and fire, they gradually uncovered the conspiracy of awakening powers under the dark side of the city.