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.

Zhang Luyi, Gao Yuanyuan, Cao Bingkun, Wang Xiaochen, Cheng Taishen, Shi Zhaoqi