"Blood Lotus Pattern: The Nightingale in the Depths of 731" is a spy novel set in the Anti-Japanese War. Lin Jingshu, a talented microbiology student studying in Japan, encountered a huge change on the night of Peking in 1937. She witnessed her father being shot dead by an agent because of a document related to the core secrets of germ warfare of the Japanese Army Unit 731, and the family was overturned. Her dying father left the red code "731" in her palm, and a hidden lotus pattern rouge box.
For revenge and justice for her family and country, Lin Jingshu underwent special training in hell, transformed into the codename "Nightingale", and infiltrated the terrifying Unit 731 as a Japanese nurse. In this hell on earth, she dealt with the ruthless Japanese military medical officer, the cunning spy chief Shadow Zhenzhao and various forces, using her professional knowledge to steal intelligence and sabotage experiments. She got acquainted with the mutant experimental subject "Golden Flower" whose life experience is a mystery. She wandered on the edge of life and death, constantly approaching the truth about her father's death and the astonishing conspiracy of the "Nirvana Project".
The ultimate secret in the rouge box is gradually revealed, and personal revenge is intertwined with the mission of saving the nation from peril. Lin Jingshu must protect her conscience in a thrilling spy battle, ignite hope in the endless darkness, and use wisdom and courage to complete a thrilling counterattack.