唐朝太宗(🌠)年间，某夜唐太(tài )宗(zōng )梦见身陷险境(🌰)，幸得一(🕟)白(bái )衣(yī )少(shǎo )年所救。徐(xú )茂公(🎗)解(jiě )(🎹)梦，显示将有乱(luàn )(🔬)事(🏴)，须得(🥩)该(gāi )少年(nián )相助平乱。太宗(zōng )命张(zhāng )士贵往找(zhǎo )应梦少(shǎo )年。原来此应梦贤(🎡)臣乃大将(jiāng )军程咬金(🥄)之救命恩人薛(🕌)仁贵，仁贵带着咬金所赠之(🚸)令箭(🚑)投军，期间(😱)更(🐖)误(wù )(🤷)堕地(dì )洞而得奇遇…