唐(táng )(🌠)朝太宗年间，某夜唐太(🏽)宗梦(🍩)见(jiàn )身陷(🃏)险境，幸得一(yī )白衣(yī )少(shǎo )(🤴)年所(suǒ )救。徐茂公解梦，显示将(jiāng )有乱(🐮)事，须得该(gāi )少年相(⏬)助平乱(❣)。太宗命张(zhāng )士(🚤)贵往(wǎng )找应梦少(👑)年。原来此应(🕖)梦贤臣乃(💆)大将军程咬金(🏐)之救命恩人薛仁贵，仁(😚)贵(guì )带(dài )着(🙁)咬金所(suǒ )赠之令箭投军，期间更误(wù )堕地洞(📎)而得奇遇…