该片改编自2009年讲述波尔卡舞王扬·莱万的纪录片，一代波尔卡传奇舞王扬·莱万(布莱克饰)因欺骗粉丝投资“庞氏骗局”最终锒铛入狱。。Follows a little child who, after hearing tales from his mother at bedtime, sets off to find the fabled island of fireflies.。