同时拥有显赫出身和悲痛过去的卡路尔·阿巴斯（花江夏树 配音），以庶民的身份和无血缘的妹妹艾丽尔（竹达彩奈 配音）登上伊斯拉，前往凯格斯高中飞行科学习。伊斯拉是一座漂浮在半空中的陆地，由巴雷特洛斯共和国等三个国家共同管理。在动力的驱动下，伊斯拉开启了遥远的征程，前往传说中的圣泉寻找“天空的尽头”。然而仅有极少数领导层成员知道，伊斯拉此行还有另一个不可告人的使命。卡路尔偶然邂逅了贵族女孩克莉亚·库鲁斯（悠木碧 配音），他们彼此互生好感，并结成飞行训练搭档，但卡路尔却不知晓他和这个女孩有着怎样痛苦的孽缘。满怀理想的少男少女遨游长空，等待他们的是何等严酷的命运…… 本片根据犬村小六（小说）、森泽晴行（插画）创作的轻小说改编。
The green Verdies are the tiny, but brave guardians of the lakeside. The young Verdies only become guardians when their hair turns brown. Until then, however, life is boring. The youngsters with green hair are not allowed to fly on warblers, not allowed to row alone, and they're not allowed to ride wild frogs at the rodeo. Willy Whistle's big dream is to become a guardian, but his curiosity always gets him into trouble. However, the whole lake becomes at risk when the enemies of the lakeside, the Grimps and the swans, enter into alliance. The guardians are helpless, but Willy comes up with a daring plan in order to save his home and his trapped friend, Jeremiah Jump. Luckily he is not alone, because Grandpa, the water snakes and the frogs also come to his aid.
故事主人公小鼠和大象，为了挑战动物界的创意高手，千里迢迢来到动物创意村庄，在村里的土拨鼠老爸的关心爱护下，他俩快乐地生活着，并且不断发明创造出令创意村村民赞叹不已的作品。在与兔子和胖猫的竞争中不断展现了自己的聪明才智，他俩没有辜负鼠爸爸的期望，用自己的实际行动为创意村乃至整个动物界赢得荣誉......
影片的设定图也一同曝光。本片是为纪念《小魔女DoReMi》推出20周年而推出，由原动画版原班人马制作。
