In order to avenge his girlfriend Lina, the prince led the core brothers Zhan Zi, Lao San, and Haotian of the Prince Gang to go through conflicts in the Prince Bar, turf battles in Perak Bay, and smash the anti-Prince Gang alliance encirclement and suppression. Finally, in the final showdown, they killed powerful enemies such as Wild Wolf and Black Butterfly, and became the overlord of the city's underworld. In this battle of blood and fire, the four brothers acted with sincerity and shared life and death. After the war, the Prince Gang abandoned the bad habits of the underworld, formulated new regulations to prohibit harmful things, established itself in a reasonable way, and used its own power to protect the peace of the city and the merchants and people. The story begins with a bloody battle and ends with friendship and justice. It proves that even in a dark place, one can persevere and take responsibility to find a positive path to protect others and live up to one's original intention.