Overview :
Yang Guang, deputy director of National Security Department 3, becomes embroiled in a complex conspiracy involving an international spy organization. As unexpected events unfold, Yang and his team face a potential crisis of leaking state secrets. Amid the turmoil, they investigate a mysterious woman, Zhao Yaning, whose role in the situation remains unclear. Despite facing numerous challenges, Yang Guang remains determined to uncover the truth and protect national security.