『學長(chang)別C我了我在(zai)寫作業』介紹:退休(xiu)警(jing)察豹叔膝下有(you)兒子阿(a)(a)國(guo)(guo)(張(zhang)國(guo)(guo)強 飾(shi))和養子阿(a)(a)定(ding)(ding)(劉(liu)德(de)華 飾(shi)),阿(a)(a)國(guo)(guo)曾是國(guo)(guo)際刑警(jing),如今(jin)返港擔(dan)任督察;而阿(a)(a)定(ding)(ding)則混跡(ji)黑道(dao),雖然收入豐厚并頗得老(lao)板楊東(dong)海賞識,但阿(a)(a)定(ding)(ding)拒(ju)絕(jue)販毒(du)令楊東(dong)海很為難(nan)。阿(a)(a)定(ding)(ding)與阿(a)(a)國(guo)(guo)情同手足,但并未打探彼此(ci)工作。不久,阿(a)(a)國(guo)(guo)受(shou)命調查楊東(dong)海一伙(huo),同時阿(a)(a)定(ding)(ding)中了楊東(dong)海苦肉計,不得不與毒(du)販接洽(qia),結果引發血(xue)戰。背負殺人(ren)嫌疑的(de)阿(a)(a)定(ding)(ding)被阿(a)(a)國(guo)(guo)追(zhui)索(suo),僥幸逃脫后連累后者遭警(jing)隊處罰。另(ling)一方(fang)面,阿(a)(a)定(ding)(ding)和阿(a)(a)國(guo)(guo)在(zai)警(jing)隊中的(de)對(dui)頭步步緊逼他們,最終(zhong)身死,而阿(a)(a)定(ding)(ding)的(de)女友雯(wen)雯(wen)(蕭紅梅(mei) 飾(shi))為阿(a)(a)定(ding)(ding)幾(ji)次(ci)犯險,阿(a)(a)定(ding)(ding)不忍棄她而去(qu)獨自(zi)出國(guo)(guo)避禍,