宋末蒙古蒙哥大汗南下(xià )侵(🏽)宋,途中遇(yù )到飞天炮(pào )阻击(🔱)身受(🤢)重(chóng )伤(shāng )。后法(🎗)王虽偷得飞天炮,然蒙哥伤势加重,只得撤(⏬)兵。返程(🌗)中被忽(hū )必(bì )烈偷(tōu )袭,逃入雪(👑)山(shān )。蒙哥感到命不久(🙍)已,写下(xià )血书,传位(🐖)尚(shàng )年幼王子海(🥞)都后自(zì )尽。大雪山(🖍)中人马走散,飞天炮和血书(shū )失踪(zōng )(📎),海都逃(🥁)出(🌚)雪山后遇到(dào )(😞)受伤的法王,原来他受到中原(🗞)三大(📙)高(🔝)手(shǒu )的袭击(🙌),他(tā )们一(🙄)起返回雪(🙉)山(shān )找(⛓)寻其它(🈴)队伍(⛏)但是雪山迷(🔔)宫使他们(men )放(😍)弃。与此同时三(sān )大高(🐀)手也感无(🤖)力进入雪(xuě )山,将(jiāng )进(jìn )雪山迷城的(de )地图分成三(🚗)份(fèn )(🐾)交(jiāo )各人保存。法王带着(zhe )海都勉强到达师(shī )弟银枪法(fǎ )王处,将海都托付(fù )给师弟后(hòu )毒(🤥)发(fā )身(📛)亡(🔤)。海都从此身(shēn )负夺回帝(dì )(🐞)位的重(chóng )任(🏴)。