A mad tyrant

He is the nation's sharpest weapon, and the Dragon King of China, feared by the underworld forces of various countries. An unexpected turn of events forces Qin Feng into seclusion in the capital, but his peace is threatened by a relentless onslaught from various factions, including powerful figures from humble backgrounds. He also unexpectedly becomes the bodyguard of Zhang Xinran, the daughter of a billionaire, while a female soldier clashes with him. His fiancée, far away in Beijing, is also secretly watching him. Ultimately, he uncovers the truth behind the accidental death of his teammate, and the seemingly invincible Qin Feng embarks on a path of revenge.