一(🔨)场百(bǎi )年罕见的蝗灾侵(🐌)袭(xí )了武(🌰)周大地(dì ),武则天下(🕰)令(🤢)送赈(🍥)灾银往灾区,却(què )在途中被(🔬)劫(🏴),数万(🥩)两白银(yín )竟(jìng )化蝶消失(shī )!狄仁杰(jié )命其亲(qīn )随赵员镇奉(fèng )命彻查此案(🗄),自己微服潜入民间调查(🛹)。在查案的过程中他们遇到了需自证清白的嫌疑(yí )人(rén )官小柒,又(🔊)陷入了赈灾(zāi )银再(zài )次被劫的困窘(🛑)之(⏯)境(jìng )(😞)。灾民民怨(yuàn )四起,化(huà )蝶(🥎)案扑朔迷离(📙),朝堂权(quán )谋暗(àn )潮汹涌,狄仁(🙀)杰是否能(néng )查清(qīng )真(🍄)相,天(tiān )下(👃)又(🧤)是否能(🤲)重(🕙)回太(tài )平?(👺)