Director:
But when she learned about the origins of the three generations / she changed her original view. A few years later / through hard study / the three generations have grown into "soil experts" who can read architectural drawings. During a construction project / in order to achieve speed / he neglected to learn from the experience of the veteran workers. The operation failed / and three generations fell and were seriously injured. Afterwards / the three generations took the initiative to admit their mistakes / and Master Gao (played by Wang Ban) and Qin Shuzhen also made self-criticisms. In 1960 / the third generation was transferred to another large construction site. While studying and studying / he put forward his own innovative suggestions to the leaders of the construction site / which were recognized by experts / but there were also objections. In the end / with the support of Secretary Chen (played by Zhang Ying) / he achieved success and also gained the love of Qin Shuzhen...
Cast:
建筑工人李三辈（毕鑑昌 饰）文化水平低，他常为此苦恼，大学生秦淑贞（李长乐 饰）是夜校老师，开始时她瞧不起三辈这样的笨学生，认为他们只配干粗活。但当她了解三辈的出身后，改变了原有的看法。几年后，三辈通过刻苦学习，已成长为能看建筑图纸的“土专家”。一次施工中为了图速度，忽视了向老工人师傅学习经验，操作失败，三辈摔成重伤。事后三辈主动承认错误，高师傅（王斑 饰）、秦淑贞也作了自我批评。1960年，三辈