鼓楼外一位(👷)老(lǎo )木匠易大船的大徒弟(dì )(🐌)于(yú )钟声和(hé )其孙女易小(xiǎo )船偷偷恋爱(🍥)了(🎺)，吃醋的二徒(tú )弟尹东(🍖)义给于钟声使(shǐ )坏，在邻(🌫)居(jū )(👋)家房梁上做了手脚。于(yú )钟声(⚫)上当以致屋里的孩子(zǐ )(🎡)死(🕖)亡，锒铛入狱。狱外，心(xīn )里(lǐ )还(hái )爱着(📞)于钟声的易小船(✖)迫于种种无奈(🐶)嫁(jià )给了(🤯)尹东义，而狱(yù )中(🚢)的于钟声得(dé )(🔩)知(zhī )(🥁)此消(📯)息悲愤交加(jiā )，誓(❔)言(yán )报仇……