唐(🌠)朝(👷)太宗年间，某夜(yè )唐太(🏽)宗梦见身陷险(xiǎn )境，幸(xìng )得(🛍)一白(🕰)衣少年所救。徐(🎹)茂(mào )公解梦，显示将有(🗼)乱(luàn )事，须得该少年相助平(píng )乱(❣)。太宗命(mìng )张士贵(guì )往找(🐿)应梦少年。原来此应梦(mèng )(🕯)贤臣(chén )乃大将(jiāng )军(🥄)程咬金之(zhī )(🚥)救命恩(ēn )人(rén )薛仁贵，仁贵带着(zhe )咬金所赠(🚑)之令箭投军，期间(🔊)更(💞)误堕地洞(dòng )而(ér )得奇(🔩)遇…