为人耿直的老艺人程宝庆，原卖艺为生，因遭恶霸地痞黑旋风毒打，逃到龙须沟居住，依靠程娘子摆摊卖香烟过活。不料小恶霸冯狗子又抢了程娘子的烟，同院三轮车工人丁四受到恶霸欺凌，继之女儿小妞子又掉到龙须沟被活活淹死。解放后，人民政府办了恶霸黑旋风和他的爪牙冯狗子，治理了龙须沟，人民过上了幸福的生活。

It was adapted in according to Lao She’s drama---Dragon Beard Ditch The old upright Cheng Baoqin had made a living as a performer. However, due to the beating-up from the evil-minded local ruffian Black Cyclone, he escaped away and lived in Dragon Beard Ditch and lived on the income of peddling cigarettes in a stall by his wife. Unexpectedly, the local ruffian Feng Gouzi robbed his wife’s cigarettes and tricycle-driver Ding Si who lived in the same courtyard was also bullied by him. To make things worse, Cheng Baoqin’s daughter Xiao Niuzi was drown because of falling into the Dragon Beard Ditches. After liberation, government caught and punished Black Cyclone and his accomplice Feng Gouzi severely, and put the Dragon Beard Ditched in order. From then on, people have been able to live a happy life again