新泽西少年丹尼尔（Ralph Macchio 饰）随母亲一起搬到了加利福尼亚的公寓中，母亲面对新生活踌躇满志，少年天性的丹尼尔也很快爱上了加利福尼亚温暖的沙滩，在那里，丹尼尔遇到了金发小美女艾丽（伊丽莎白·苏 Elisabeth Shue 饰）。想要接近艾丽的丹尼尔被姑娘的前男友强尼用空手道狠狠的教训，同样对空手道颇有兴趣的丹尼尔自尊受伤，但是仍未放弃和艾丽的交往，这激起了强尼和一干朋友们对丹尼尔长期的欺侮。万圣节舞会之夜，丹尼尔再次被强尼等人追打，丹尼尔居住的公寓中的维修工宫城（森田则之 Pat Morita 饰）先生及时出现，用空手道击退了强尼。宫城决定用两个月时间训练丹尼尔，令他可以击败强尼并领悟空手道的真谛……...
Will Penny, an aging cowpoke, takes a job on a ranch which requires him to ride the line of the property looking for trespassers or, worse, squatters. He finds that his cabin in the high mountains has been appropriated by a woman whose guide to Oregon has deserted her and her son. Too ashamed to kick mother and child out just as the bitter winter of the mountains sets in, he ag......
