The document introduces the main characters of the story. Bubo the eagle owl was raised by lions in the zoo and is now mean and sad. Billy the blue tit is a good pilot but afraid of heights, while Robin the robin is fearless. Monty the goose is a poor pilot in love with Sherie the swan, whose feelings for Monty are disapproved by others. The document also introduces other bird and animal characters that will be part of the story.