The book is a literary biography of Ms. Zhu Feng. Once working as an employee of the original Xinzhi Bookstore, Ms. Zhu Feng is an important figure in the history of SDX Joint Publishing Company. She is also the heroine of the “Wu Shi spy case", which caused a sensation overseas in the early 1950s. She was arrested on February 18, 1950 by the authorities of Taiwan, China, and after valiant struggle, she died heroically in Taiwan on June 10, 1950. This great lady, a patriot, socialist and communist, pursued brightness and idealness all her life. She devoted her life to the cause of our country’s reunification. The story of her intelligence service is thrilling.