解放前，田振华是一个出色的篮球队员。有一次球队老板收了一笔贿赂，指定必须输给一个外国水兵队。田振华指挥球队坚决打赢，因此被迫离开球队，也离开了自己的情人———老板的女儿五号林洁。十八年过去了，田振华在新社会里成了人民尊敬的球队指导，遇到了林洁的女儿也是五号队员的林小洁，因而和林洁重逢了。林小洁得到正确的指导，在体育战线上为祖国获得了荣誉。

Before liberation Tian Zhenghua is a outstanding basketball player. Once his boss takes a bribe and orders his team to lose a game with the foreign sailors but on the contrary Tian his team members wins the game under his leadership so afterwards he is dismissed from the team and he leaves his lover, No. 5 player and daughter of his boss. Eighteen years later Tian becomes a coach in a basketball team and he meets the daughter of his former lover, who is also a No. 5 player in his team. So he sees his lover again.