During the operation of arresting criminals, female special police officer Guan Yanan accidentally fell off a cliff and traveled to Shanghai in the Republic of China. Under the appearance of peaceful singing and dancing in the ten-mile foreign market, an undercurrent surged, and the crisis of the family and the country was already in front of us. She was an ordinary woman who accidentally wandered into this troubled world, but unexpectedly met patriotic figures such as Fei Xubai, Xiao Yumo, and Lin Yueru. She was involved in the torrent of the times, from passively struggling to taking the initiative to hold the torch. As a woman, in the secret alley surrounded by spies and shadows, she made a difficult choice between the righteousness of the family and the country and personal love and hatred.
Here are the power struggles inside and outside the concession, the life-and-death battle between underground workers, and the iron blood and tenderness tempered by children in troubled times in the smoke of war.
When the prosperous city turned into a battlefield, she used her beautiful body to find her own way to save the country in the test of blood and fire, and wrote an iron-clad legend in Shanghai's troubled times.
