单(dān )(🈯)亲妈妈(mā )李青草(🆓)（陶(✒)昕然(🥇) 饰）(🏽)带着女(nǚ )(🔼)儿(ér )（(🃏)王(🕋)奕(😘)雯(🕟) 饰(🛍)）(🔱)在(zài )(🕰)外打工(gōng )，无(wú )房(fáng )无(wú )户口(kǒu )(🥈)的(de )她(tā )(🛤)亟(jí )(🌰)需(xū )(🍖)找(zhǎo )(🔬)到(dào )一(yī )所能收女(😧)儿(ér )(🎾)上(shàng )(📿)学(🌫)的(👋)小(xiǎo )学(xué )。与(❣)此(cǐ )同(🏇)时(♑)，一(yī )所(suǒ )(🚤)废(🖲)弃(⚫)小(🐿)学(🕔)的(de )(🔸)夹(jiá )(👑)墙(qiáng )中，被(🛍)挖(🎡)出(chū )(🕖)了一(yī )具陈年遗(yí )(🔲)骸(hái )，县(xiàn )(🚉)刑警队(duì )(🐖)长(zhǎng )韩岩(📞)（赵(zhào )炳(bǐng )(🥞)锐(🗑) 饰）(✖)在(zài )(🙁)调查的(🖍)过(guò )(🚑)程(chéng )(🐶)中发(fā )(🕕)现(xiàn )，此(cǐ )(🐖)案(àn )(🤷)件(jiàn )(🔊)牵(qiān )(💞)扯(chě )(⏺)着(zhe )多(🌙)年(📎)前(qián )(🧚)的(de )(🚣)五个少年(nián )。每(měi )个(gè )(⏯)人(rén )(😞)的(🖲)心中(zhōng )似乎(hū )(🦗)都(dōu )(🌑)有一(yī )(🌊)道夹缝(féng )……