It tells the story of the sudden change in the international landscape in the late 1990s, and the cross-strait crisis led to a major case, but behind it was the in-depth competition between overseas forces and our side on the intelligence battlefield.When he first entered the National Security Bureau, his senior brother was already a promising figure. Two people with completely opposite personalities were facing the omnipresent spy offensives of overseas forces, fighting side by side day and night to investigate. Through the confrontation, he successfully cracked the offensive that attacked the opponent.

Today, the special project has begun again, and he was shocked to find that there is a close connection with his senior brother behind him.Spanning twenty years, this is not only a game that concerns homeland security, but also a transformation and competition between the two brothers.