Barnum tells the story of P.T. Barnum, the Greatest Showman on Earth, who combines razzle-dazzle with charm and brass to sell "humbug" to cheering crowds. A joyful and moving musical portrait of the nineteenth century's greatest show-biz legend, Barnum is a colourful, dynamic spectacle full of circus, side-show legends, toe-tapping songs and immense heart.