唐朝年间，边关战乱，蜀地少(shǎo )年李浩白心怀(huái )家国天下，为了实(shí )现(xiàn )抱(bào )负，和小(xiǎo )伙伴胡建踏上了前(qián )往函谷关参军的(de )旅途；乱世出妖(yāo )孽，成都城中，老道逍遥子四处降妖除魔；而远在长安，不怀(huái )好(hǎo )意的老(lǎo )道荀国师蒙(méng )骗皇上(shàng )修(xiū )仙，利