"On the verge of firing" tells the story of Jack, a financial analyst, who discovers that the boss of his company, Victor, is planning a conspiracy to subvert the American economy, and his sense of justice is overwhelming. Under the recruitment of CIA veterans, Jack turned into a field agent and went to Moscow to perform special missions. However, in an accident, his fiancée Casey discovered his identity
Jack was originally a doctoral student. In order to realize his ideal of serving the country, he joined the US Marine Corps. He was injured during the mission, and then returned to the United States to continue his studies and work as a financial analyst for a bank. In the process of working, Jack accidentally discovered the evil plan of his boss. Under the leadership of Hubble, Jack had to restore his identity and went to Moscow alone to save the country from crisis, destroying the plan of his boss Victor. His fiancée, Casey, also accidentally discovered her husband's identity through the clues exposed by her husband.