包公(🕕)(金超(👷)群 饰)奉命彻查蔡河决堤(dī )事(🌰)件的始末,都水(shuǐ )监杜平(🤴)向(xiàng )包公揭发(fā )王公(gōng )大臣于蔡在河边私自搭建亭台楼(🌫)阁导(dǎo )致(zhì )惨剧(jù )(❣)。然而(♑),机敏过人的公(🕔)孙(🔸)策却在其(🗄)中发现了疑(yí )(👁)点,大坝工(gōng )(🥄)程的偷工(gōng )减(🐖)料才(cái )是(📞)蔡河决(🥞)堤的首(shǒu )要原因,而(🖍)杜平的舅父(fù )罗琼则牵扯其中(zhōng )。