故事发生在风景如画的苏州河畔，修车匠高志华可怜小裁缝秦楠无处安身，遂让她把摊子摆在自己的摊子旁边，一来二去之间，两人的关系逐渐亲密起来。高志华的母亲对温柔贤惠的秦楠十分满意，着急儿子终身大事的她对高志华和秦楠之间的感情十分支持。

　　让高志华和母亲没有想到的是，秦楠年纪轻轻竟然有一个儿子冬冬，不仅如此，她还力排众议，将冬冬接到了自己的身边，一时间招来了诸多非议。尽管震惊，但高志华发现，冬冬的存在和秦楠不为人知的过去未能削弱自己对她的爱意，然而，母亲的态度却发生了一百八十度的转变。

This simple romance story does not mean much to westerners, and in fact, does not even mean anything to Chinese today, but it was a big thing when it was made, not long after the end of Cultural Revolution in which even the personal romance was restricted. This movie is one of the pioneers of personal liberalization in advocating people seeking out their love following their own hearts, not from other people.