『父母兒(er)女一家(jia)換著草』介紹:一百年前,黑(hei)白(bai)默(mo)片(pian)風靡日本,大人小孩都為(wei)之著迷(mi)。俊太郎(lang)(lang)(成田(tian)凌(ling) 飾(shi))常(chang)常(chang)鑽進戲(xi)院(yuan)(yuan)(yuan)偷(tou)聽免費電(dian)影(ying)(ying),不管是邦(bang)片(pian)還是洋片(pian),總能將(jiang)辯(bian)(bian)(bian)士(shi)(shi)的(de)(de)(de)口吻模仿得(de)唯(wei)妙(miao)唯(wei)肖,「旁白(bai)辯(bian)(bian)(bian)士(shi)(shi)」是俊太郎(lang)(lang)自幼的(de)(de)(de)夢想,長大后卻淪(lun)落為(wei)「冒(mao)牌(pai)辯(bian)(bian)(bian)士(shi)(shi)」,分散(san)觀眾(zhong)的(de)(de)(de)注意力,再(zai)讓(rang)小偷(tou)趁(chen)機闖空(kong)門。在某次差點(dian)穿(chuan)幫的(de)(de)(de)過程(cheng)中,他(ta)帶(dai)著贓款逃到小鎮(zhen)戲(xi)院(yuan)(yuan)(yuan)「青(qing)木館(guan)」,戲(xi)院(yuan)(yuan)(yuan)裡(li)有醉漢(han)辯(bian)(bian)(bian)士(shi)(shi)、花美男辯(bian)(bian)(bian)士(shi)(shi)還有肥宅辯(bian)(bian)(bian)士(shi)(shi)等各(ge)種不同(tong)風格的(de)(de)(de)辯(bian)(bian)(bian)士(shi)(shi),加上(shang)電(dian)影(ying)(ying)放(fang)映(ying)師(shi)、樂師(shi)以及小氣老闆夫妻帶(dai)他(ta)暢游電(dian)影(ying)(ying)幕后世界,但小偷(tou)集(ji)團、熱血警察緊追不捨,童(tong)年一起(qi)看電(dian)影(ying)(ying)的(de)(de)(de)初戀女孩也(ye)跟著現身(shen),還有鎮(zhen)上(shang)那新開幕的(de)(de)(de)時髦戲(xi)院(yuan)(yuan)(yuan),老闆的(de)(de)(de)女兒(er)也(ye)瘋狂(kuang)地愛(ai)上(shang)了他(ta),俊太郎(lang)(lang)的(de)(de)(de)青(qing)春戀愛(ai)夢該(gai)何去何從(cong)……