Zhang Fan was originally an ordinary courier in Xiacheng District, Mocheng. He accidentally delivered the wrong package and was involved in the arms trading conflict between the 'Iron Hand Society' and the 'Green Flame Gang'. In order to protect his sister, he was forced to join the "Underwater Group". Starting from the lowest level, he gradually rose up in the gang world with his extraordinary fighting talent and familiarity with the urban terrain. As his status increased, he found himself involved in a larger conspiracy - the 'Grey Bank' behind the three major gangs was planning an annexation plan, and the pocket watch Zhang Fan accidentally obtained was the key to controlling underground poison gas bombs in Mocheng. He must make a choice between protecting his family and destroying the entire gang system, and finally joins forces with the clock watchers to launch the 'Dawn Revolution', completely changing the power structure of Mocheng.
