Elphaba, a misunderstood young woman because of her green skin, and Glinda, a popular girl, become friends at Shiz University in the Land of Oz. After an encounter with the Wonderful Wizard of Oz, their friendship reaches a crossroads.

The story of American showman P.T. Barnum, founder of the circus that became the famous traveling Ringling Bros. and Barnum & Bailey Circus.