『WRITEAS道(dao)具』介(jie)紹(shao):漫(man)畫(hua)家刑(xing)智(zhi)(zhi)健(jian)(jian)(姜(jiang)皓文 飾(shi)(shi))從商(shang)業大廈(sha)出(chu)來(lai),即致電(dian)給(gei)愛(ai)兒天(tian)行(xing)(xing)(xing)(xing)(釋(shi)小龍 飾(shi)(shi)),天(tian)行(xing)(xing)(xing)(xing)卻聽(ting)到電(dian)話另(ling)一頭的(de)(de)父(fu)親(qin)遭遇危(wei)險(xian),焦急(ji)萬分(fen)而無能為(wei)力(li)。其(qi)實(shi),這只是刑(xing)智(zhi)(zhi)健(jian)(jian)新(xin)作《天(tian)行(xing)(xing)(xing)(xing)者》的(de)(de)開(kai)場序幕,但現(xian)實(shi)竟與(yu)漫(man)畫(hua)不(bu)謀而合,刑(xing)智(zhi)(zhi)健(jian)(jian)在(zai)他(ta)完(wan)成(cheng)新(xin)作《天(tian)行(xing)(xing)(xing)(xing)者》當天(tian)離奇被殺,而漫(man)畫(hua)的(de)(de)其(qi)中幾(ji)頁亦被燒毀。具有漫(man)畫(hua)天(tian)份的(de)(de)天(tian)行(xing)(xing)(xing)(xing),決定(ding)補(bu)上缺(que)失的(de)(de)幾(ji)頁,幫父(fu)親(qin)完(wan)成(cheng)這本漫(man)畫(hua)遺(yi)作。刑(xing)智(zhi)(zhi)健(jian)(jian)的(de)(de)女友嘉(jia)嘉(jia)(江(jiang)芷妮 飾(shi)(shi))為(wei)了找出(chu)真兇(xiong),主動協助天(tian)行(xing)(xing)(xing)(xing)。當天(tian)行(xing)(xing)(xing)(xing)完(wan)成(cheng)天(tian)行(xing)(xing)(xing)(xing)者時(shi),他(ta)終于知道(dao)誰(shui)是兇(xiong)手,到底誰(shui)是殺人兇(xiong)手?天(tian)行(xing)(xing)(xing)(xing)又如何得知?