Shen Qi, an orphan from Suzhou, is burdened with a blood feud and lurks in the Fusi Arms Bureau of Nanzhen under a pseudonym. He broke off smuggling clues amid doubts about the accounts, united alliances, and instigated internal reactions. He worked step by step in the shadow of the strict party, stirred up the situation of the Imperial Guard with his young body, vowed to seek justice for the wronged dead, and uncovered the shocking conspiracy behind arms smuggling.