sub plot meaning in English

次级样地
小样区

It is about how a low class triad member ying nick cheung becomes a high school teacher and how he molds the worst group of students in the school back into good students . a triangular love relationship among ying , mei yoyo mung and komatsu serve as the sub plot . obviously the plot is not tenable at all
好的地方-此片完全继承了周星驰和王晶在九十年代初期的无厘头笑片以整蛊专家超级学校霸王为首的一切特点，剧情完全疯狂和无厘头，毫无逻辑可言，只是一味搞笑。
They don t seem to function very well in the story , especially kelly chen , her role needs serious enhancement . sammi cheng s novel writing parallels to andy lau s situation perfectly , but this sub plot is just presented so plain and lackluster that makes it look awkward . the accomplishment of
说句实话，论奇情，本片不及暗花，论玩味性，不及暗战，剧情本身亦不无漏洞，之所以能取得成功，除了是编导演三方面有突出表现外，其他所有细节都处理得一丝不苟，才是最大原因。