Sora Naegino is a 16-year old girl from Japan with one dream to be a star on the famous Kaleido Stage, a combination of musicals, acrobatics and magical effects. Thus, she travels to America in an attempt to fulfill her dream. With the help of her new friends, she struggles to make this dream come true!
But, all is not well, as Sora must overcome numerous adversities and strive to be better than the famous veterans of Kaleido Stage. In addition, it seems that Sora is the only one who can see the mysterious "Spirit of the Stage" named Fool. This can mean only one thing, Sora is destined to be great, that is if she can work hard and overcome the hardships along the way. Does Sora have what it takes to be a great, the best, or even a legend...?