『可(ke)不可(ke)以放(fang)進去一(yi)下(xia)下(xia)就』介紹:臺(tai)灣少年小(xiao)狗(gou)(gou)(郭富城 飾(shi))的(de)父親(qin)因(yin)向警(jing)方(fang)告密(mi),使得臺(tai)灣黑幫(bang)老大(da)暫(zan)時(shi)(shi)被收監,等待起訴。為了(le)(le)安全起見,小(xiao)狗(gou)(gou)來到(dao)(dao)了(le)(le)香港(gang)(gang),并改名換(huan)姓(xing)入讀了(le)(le)圣(sheng)育(yu)強中(zhong)(zhong)學(xue)(xue)(xue)。談判專(zhuan)家阿(a)堅(jian)(jian)(jian)(jian)(張堅(jian)(jian)(jian)(jian)庭 飾(shi))因(yin)談判時(shi)(shi)常出錯,被派到(dao)(dao)了(le)(le)圣(sheng)育(yu)強中(zhong)(zhong)學(xue)(xue)(xue)當臥底老師,尋找小(xiao)狗(gou)(gou)。阿(a)堅(jian)(jian)(jian)(jian)來到(dao)(dao)圣(sheng)育(yu)強中(zhong)(zhong)學(xue)(xue)(xue),發(fa)現這(zhe)里的(de)學(xue)(xue)(xue)生(sheng)都(dou)是(shi)些(xie)頑劣的(de)問題少年,其中(zhong)(zhong)這(zhe)里的(de)學(xue)(xue)(xue)生(sheng)領(ling)袖A士(shi)更是(shi)令(ling)人(ren)頭疼(teng)。阿(a)堅(jian)(jian)(jian)(jian)在(zai)(zai)學(xue)(xue)(xue)校(xiao)(xiao)認(ren)識了(le)(le)女(nv)(nv)教師夢(meng)想(xiang)(張敏 飾(shi)),很快對(dui)她產(chan)生(sheng)好(hao)感(gan),這(zhe)時(shi)(shi),阿(a)堅(jian)(jian)(jian)(jian)的(de)女(nv)(nv)友(you)女(nv)(nv)警(jing)阿(a)卿(qing)(邱淑(shu)貞 飾(shi))也來到(dao)(dao)了(le)(le)這(zhe)里當臥底。應(ying)付頑劣學(xue)(xue)(xue)生(sheng)尚且力不從心的(de)阿(a)堅(jian)(jian)(jian)(jian),同(tong)時(shi)(shi)也面臨(lin)著一(yi)場(chang)三角戀,學(xue)(xue)(xue)校(xiao)(xiao)里的(de)爆笑場(chang)面不斷。臺(tai)灣黑幫(bang)老大(da)終因(yin)證(zheng)據不足被釋放(fang)了(le)(le),在(zai)(zai)殺(sha)死了(le)(le)小(xiao)狗(gou)(gou)的(de)父親(qin)后,來到(dao)(dao)了(le)(le)香港(gang)(gang)準(zhun)備小(xiao)狗(gou)(gou)也干掉。面對(dui)臺(tai)灣黑幫(bang),阿(a)堅(jian)(jian)(jian)(jian)最終能否順(shun)利救下(xia)小(xiao)狗(gou)(gou)??豆(dou)瓣