With detailed writing style and simple language, this book truly tells the story of how during the Anti-Japanese War, the working committee of the Communist Party of China in the mountainous area of southeastern Shandong sent members of the working committee to transport Hu from the liberated area south of the highway to the enemy-occupied area north of the highway. Under the circumstances of extreme deterioration of the environment and extreme hardship of life, The story is a tortuous and moving story about how they defied difficulties and obstacles, secretly restored the party organization, fully mobilized the masses, organized anti-Japanese armed forces, actively carried out the anti-Japanese struggle, gradually built the Lubei Mountain Area into an anti-Japanese base area, and made significant contributions to the liberation of the Lubei Mountain Area. The plot is tortuous and fascinating. It is a good and readable textbook for party history education and patriotism education for party members and young people.