『東海人(ren)魚傳』介(jie)紹(shao):大(da)宋淳祐七年(nian),欽(qin)州靈龍(long)(long)(long)鎮災患頻現,民間(jian)謠言乃蛟(jiao)龍(long)(long)(long)作祟,需將童男童女投入鎖龍(long)(long)(long)井(jing)喂食(shi)蛟(jiao)龍(long)(long)(long)方能(neng)得(de)(de)享安寧。祭(ji)祀惡俗持續多時,不知多少無辜孩(hai)童葬身(shen)龍(long)(long)(long)腹(fu),靈龍(long)(long)(long)鎮哭聲(sheng)震天,家(jia)有幼童者(zhe)皆人(ren)心(xin)惶惶。新科進(jin)士(shi)莊(zhuang)嚴(yan)(yan)擔任主簿后(hou),堅持進(jin)入鎖龍(long)(long)(long)井(jing)調查(cha)蛟(jiao)龍(long)(long)(long)事(shi)件(jian),卻不想竟因得(de)(de)罪龍(long)(long)(long)王而(er)鋃鐺(dang)入獄。靈龍(long)(long)(long)縣仵作小宛(wan)為(wei)救(jiu)心(xin)上人(ren),不遠千(qian)里求請已金盆(pen)洗手的宋慈(ci)出山查(cha)明(ming)真(zhen)(zhen)(zhen)相(xiang)(xiang)。案件(jian)疑點(dian)重重,宋慈(ci)和小宛(wan)聯手突破重重難關(guan),終于趕在莊(zhuang)嚴(yan)(yan)被(bei)斬之前(qian)查(cha)明(ming)真(zhen)(zhen)(zhen)相(xiang)(xiang),莊(zhuang)嚴(yan)(yan)得(de)(de)以平反(fan),小宛(wan)也在眾人(ren)的見證下正(zheng)式向宋慈(ci)拜師學藝。然而(er)眼看(kan)靈龍(long)(long)(long)鎮逐漸(jian)恢復(fu)平靜,宋慈(ci)卻發現原(yuan)來(lai)真(zhen)(zhen)(zhen)相(xiang)(xiang)并沒有他想象中那(nei)么簡單(dan)。