一场(chǎng )(🕕)百年罕见的蝗灾侵袭了(📼)武周大地(dì ),武(wǔ )则(zé )天下(😘)令送赈灾银往(🤢)灾区(🍥),却(🔧)在途(🎹)中(zhōng )被(🥈)劫(jié ),数(shù )(🌰)万两白银(yín )竟化蝶(dié )消(xiāo )失!狄仁杰命(mìng )其亲随(suí )赵员镇奉命彻查此案(🕔),自己微服潜(qián )(🛍)入民间调查。在查(chá )案的过程中他(🐖)们(men )(🕌)遇(yù )到了(🎿)需自证清白(bái )的嫌(xián )疑人官小柒(qī )(🐶),又陷入了赈(🤷)灾银再(⏺)次(🚢)被(🌙)劫的困窘之境。灾(🚨)民民怨四起(qǐ ),化蝶案扑朔迷离,朝(cháo )(💻)堂权谋暗潮汹(🐑)涌,狄仁杰是(shì )否能查清真相,天下又(yòu )是否能(🤷)重回太平?