Nat Field is a young actor who has travelled from America to rehearse and perform as Puck in a Midsummer Night's Dream, at the new Globe Theatre in London. As rehearsals intensify, Nat's health begins to fail and soon the rest of the cast are horrified to hear that he's been rushed into hospital with Bubonic Plague! Something strange happens, and as Nat's friends worry about him, he is experiencing an amazing adventure with the King of Shadows, William Shakespeare himself, and perfiorming in the original Globe Theatre.