故事發生在(zai)(zai)一個神(shen)秘的(de)(de)(de)人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)小鎮上,主(zhu)人(ren)(ren)(ren)(ren)(ren)公是當(dang)(dang)(dang)(dang)閻(yan)(yan)一位年(nian)輕(qing)的(de)(de)(de)閻(yan)(yan)羅(luo)使(shi)者,他(ta)(ta)化身為人(ren)(ren)(ren)(ren)(ren)類,人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)潛伏在(zai)(zai)人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)執行(xing)任務。當(dang)(dang)(dang)(dang)閻(yan)(yan)他(ta)(ta)的(de)(de)(de)人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)工作是收割那些罪孽深重的(de)(de)(de)靈魂,引(yin)領他(ta)(ta)們前(qian)往地(di)府接受審判(pan)。當(dang)(dang)(dang)(dang)閻(yan)(yan)然(ran)而(er),人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)在(zai)(zai)人(ren)(ren)(ren)(ren)(ren)間(jian)(jian),當(dang)(dang)(dang)(dang)閻(yan)(yan)他(ta)(ta)經歷了許多人(ren)(ren)(ren)(ren)(ren)情冷暖(nuan),人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)看到了人(ren)(ren)(ren)(ren)(ren)心的(de)(de)(de)當(dang)(dang)(dang)(dang)閻(yan)(yan)善惡。漸漸地(di),人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)他(ta)(ta)開始懷疑自己的(de)(de)(de)當(dang)(dang)(dang)(dang)閻(yan)(yan)使(shi)命,是人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)否應(ying)該繼續當(dang)(dang)(dang)(dang)閻(yan)(yan)羅(luo),或者選(xuan)擇與人(ren)(ren)(ren)(ren)(ren)類一同(tong)生活下去。當(dang)(dang)(dang)(dang)閻(yan)(yan)我在(zai)(zai)人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)當(dang)(dang)(dang)(dang)閻(yan)(yan)羅(luo),人(ren)(ren)(ren)(ren)(ren)間(jian)(jian)卻找到了人(ren)(ren)(ren)(ren)(ren)性(xing)的(de)(de)(de)微弱與溫(wen)暖(nuan)。