Red Rock" is a novel that mainly describes the harsh underground struggle on the eve of the liberation of Chongqing, especially the prison struggle. Its historical background is the liberation of Chongqing from 1948 to 1949. Its basic plot centers on the struggle between the enemy and ourselves in the "China-US Cooperation Institute" concentration camp (including Zhazidong and Baigongguan), and interweaves the underground struggle in the city led by our underground party, the student movement, the workers' movement, and the prison struggle. As well as the armed struggle in the Huaying Mountains, it focuses on the final decisive battle of the revolutionaries to welcome liberation and thwart the enemy's desperate struggle. It praises the revolutionaries' steadfastness and integrity under the test of torture, and portrays Xu Yunfeng, Jiang Jie, Cheng Gang, Liu Siyang, Yu Xinjiang, Yu Zusheng and many other touching and unforgettable images of revolutionary heroes profoundly demonstrated the lofty spiritual realm and brilliance of the revolutionaries' thoughts. The novel describes the revolutionaries' prison struggles at large lengths.