唐(🌠)朝太(tài )宗年间(✒)，某(mǒu )夜(📼)唐(📒)太宗梦见身陷(🃏)险(xiǎn )境，幸得一白衣(yī )少年所救。徐(🎹)茂公解梦，显(xiǎn )示(shì )将有乱事，须得该少年相(xiàng )(⏬)助平乱。太宗命张(zhāng )士(🚤)贵往找应梦少年。原来(lái )此(🎡)应梦贤臣(chén )(🙍)乃大将(jiāng )军程咬金(🏐)之救(🐖)命(mìng )恩(ēn )人薛(🎿)仁贵，仁贵带(✖)着咬(yǎo )金所(🖍)赠(🚑)之(zhī )令(lìng )箭(jiàn )投军，期间更误堕地洞而得奇遇…