In Nanjing in 1940, multiple forces were entrenched and the situation was complex and changeable.Agent Jin Shenshui, who wears multiple identities, wanders between the Japanese military, the puppet government and the military commander every day. His life is like walking on the Seven Killings. He needs to carefully hide his true self while searching for himself.and even the survival of the entire nation.

However, in such troubled times, Jin Shenshui met Lin Yingying, who shared his hatred of the country and the family.Lin Yingying seemed to be more at ease than Jin Shenshui, and her presence made Jin Shenshui truly awaken.The two fought side by side and launched a thrilling open and covert battle with all forces.

With the help of Lin Yingying, Jin Shenshui gradually realized his position and mission in this troubled world.He began to think about his beliefs and values, and gradually got rid of the confusion and hesitation of the past.He is no longer a simple agent, but a warrior with ideals and beliefs.

In this process, a special emotional bond was also established between Jin Shenshui and Lin Yingying.They trust and support each other and face life and death challenges together.Their relationship is not only a working partnership, but also a spiritual resonance and dependence.

In the end, Jin Shenshui successfully completed his mission with the help of Lin Yingying.He not only found a way out for himself and the entire nation, but also found his inner destination.Together with Lin Yingying, he became a bright light in this troubled world, bringing hope and strength to those struggling in the darkness.