On the southern border of the Chu Dynasty, in Yunshui County, ruffian Wu Kui was the lowest level gangster on the street. He looks smooth and lazy, but in fact he has a special talent - he was born with a pair of "beast eyes" and can look directly into the true soul of mythical beasts. Once he was framed and thrown into an abyss canyon as a sacrifice. In a desperate situation, Wu Kui awakened his hidden bloodline, accidentally opened the ancient rare object "Beast Soul Pattern", and obtained the heaven-defying golden finger that made a contract with the mythical beast and harnessed the power of the beast soul. When he returned to Yunshui with a "shadow-swallowing red fox" covered in red flames and shaped like a fox, he found that the small town had already been undercurrent. Shen Shanshui, the owner of the "Charity Hall" in the east of the city, is respected by the people as a good man, but in fact, he secretly bribes gangsters, seizes shops, and traffics in people. He used a mask of hypocrisy to control the lower-level forces in Yunshui County, and even encouraged local ruffians to invade Wu Kui's only ancestral home. Wu Kui was forced to start from the lowest level of street fighting and tear apart Shen Shanshui's hypocritical mask step by step. As the rogue identity brought dirty work and bloodshed, he conquered more and more mythical beasts - red foxes, spiritual snakes, black turtles... With each beast he conquered, he gained a beast soul magical power. But he also gradually discovered that there seemed to be a more terrifying existence behind Shen Shanshui, and all of this was related to the beast soul pattern in his body...