Two assistants, Lee Xiang and Kat, start new jobs at the financial firm Jones & Sunn. Lee Xiang is an earnest young man who naively enters the world of high finance with noble intentions. Kat on the other hand has a secret.

After incident at Tumu Fort, bodyguard Yang Shan and his team to escort the emperor Zhu Qizhen back to the capital, and Dragon Gate became a crucial turning point.