周人(rén )瑞是山西五台(tái )县人,在陕西韩城县经商。其(qí )妻在生下一对(duì )孪生儿子后(hòu )死去。周人瑞无(wú )力抚养,便请邻居王妈妈将(jiāng )次子卖给李三(sān )娘为嗣,取名(míng )李遇春。留下长(zhǎng )子托王妈妈(mā )乳育,取名周天(tiān )佑。周人瑞因生(shēng )意倒闭,携天(tiān )佑回乡。周人瑞(ruì )的弟弟周人(rén )祥夫妇为独霸(bà )家产,不认天佑是周人瑞的(de )亲子,涉讼公堂(táng )。县令晋信书(shū )偏是一个死啃(kěn )书本的腐儒,见汝南先贤传(chuán )有“陈业滴血认(rèn )亲”的记载,便(biàn )用此法断案。见(jiàn )周人瑞父子滴血入水不融(róng ),即错断其并非(fēi )骨肉,勒令押(yā )解天佑出境自(zì )行归宗。遇春(chūn )在李三娘的抚(fǔ )养下长大成人,与李三娘亲(qīn )生女儿晚春姐(jiě )弟相称,感情(qíng )甚为融洽。李三(sān )娘有意要遇春继承门户,与(yǔ )王妈妈商定,假(jiǎ )称女儿晚春(chūn )是自己的养女(nǚ ),欲与遇春婚配,但尚未成婚(hūn ),李三娘病逝。土(tǔ )豪阮自用垂(chuí )涎晚春已久,捏(niē )造庚帖,借吊(diào )唁之机,前来诈(zhà )婚,挑起讼端。晋(jìn )信书来审此(cǐ )案。晋信书仍用(yòng )滴血认亲之(zhī )法,见二人血液(yè )融合,误断二人乃一母同胞(bāo )不能成婚,将晚(wǎn )春判与...