I'll Let You See the Situation at the Beginning, and You Can Unify the Black and White

(Era) (Guangdong and Hong Kong underworld) (Only viewing for those under 18 years old🈲)😈😈 Cao Xiaopi, a wage earner, unexpectedly meets Ling Yan'er, the queen of Dongguan's underworld. Trapped by the bloody secret behind his blue dragon tattoo, Counterattack from prey to the new king in charge of the underground order.