Hu Minggan

Cheng Hao, who works in the editorial department, is a well-known local writer. He is kind-hearted and warm-hearted, and is always respectfully called "Big Brother" by his friends. This drama mainly depicts how such an ordinary yet beloved person confronts difficulties, friendship, love, death and interests in society.

The Chongqing Bombing. Yan 'an sent Zeng Xisheng to Chongqing and handed over important materials to Chiang Kai-shek (played by Ma Xiaowei). Shi Jianfeng (played by Hu Jun), a code-breaking expert in the military technology room, relied on the materials of the Communist Party of China to decipher the intelligence of the Japanese army and saved Song Ziwen's life. Shi Jianfeng deciphered: "The Japanese army might be going to do something against the United States.