In order to protect the Chinese Ao Jue and the Invincible War, Jin Ao passed the Chinese Ao Jue guide to Hua Yingxiong when he met with danger. Hua Yingxiong, who is destined to be an unlucky star, lost his parents and wife. He left his children, relatives and friends. He devoted himself to practice for 20 years, but he was still unable to penetrate the Chinese Ao Jue. In the end, he had an epiphany in the battle against Invincible and defeated Invincible.

Covert security company Vanguard is the last hope of survival for an accountant after he is targeted by the world's deadliest mercenary organization.