『大(da)爺(ye)你的怎么這么大(da)呀』介(jie)紹(shao):除(chu)夕(xi)之夜,位(wei)于東(dong)京的高(gao)級酒(jiu)店(dian)Avanti進(jin)入(ru)(ru)最緊張忙碌的時刻,倒計(ji)(ji)時晚會在即。副總管(guan)新(xin)堂平吉(役所廣司(si)飾(shi))、新(xin)堂的助手登(deng)紀子(zi)(戶田(tian)惠子(zi)飾(shi))、清潔女(nv)工(gong)竹本花(松(song)隆子(zi)飾(shi))、酒(jiu)店(dian)小工(gong)只野憲二(香(xiang)取慎吾飾(shi))等(deng)(deng)等(deng)(deng),員工(gong)們無論職位(wei)高(gao)低(di),全都馬不(bu)停蹄,布置(zhi)準備。與(yu)此同時,丑聞纏身的國會議員藤田(tian)(佐藤浩市飾(shi))、夫婦同來卻意外(wai)遭遇有瓜(gua)葛(ge)妓女(nv)的動物(wu)學家(jia)堀田(tian)(角野卓造(zao)飾(shi))等(deng)(deng)客人和壓力過大(da)企圖(tu)自(zi)殺的演(yan)歌名宿德川(chuan)(西(xi)田(tian)敏行飾(shi))、丟失了鴨(ya)子(zi)拍檔而(er)無法(fa)演(yan)出的腹語師阪(ban)田(tian)等(deng)(deng)狀況不(bu)斷地表演(yan)人員紛紛進(jin)入(ru)(ru),加(jia)上層出不(bu)窮的小事故,令(ling)Avanti酒(jiu)店(dian)顯得格外(wai)嘈雜。新(xin)年到來之前,酒(jiu)店(dian)最惡的兩小時,倒計(ji)(ji)時開始……