鼓楼(lóu )外一位(👷)老(lǎo )木匠(⛲)易大船的(de )(📼)大徒弟(dì )于钟声和其(qí )孙(sūn )女易(yì )小(🛍)船偷偷恋爱(ài )了,吃醋的二徒(tú )(🐉)弟(dì )尹东义给于钟声使(💤)坏,在邻居(👋)家房梁上做了手脚。于钟声上(🐿)当以致屋里的孩(hái )子死亡,锒(láng )(🙍)铛入狱。狱外(wài ),心里还(🕌)爱着(zhe )于钟声(🥞)的易(yì )小(xiǎo )船迫于种种无奈嫁给(🕕)了尹(😱)东(🐖)义,而狱(⏺)中的于钟声得知(🥁)此消(📯)息悲愤(⏯)交加(jiā ),誓言报(🦗)仇……