Does your life feel like a dress rehearsal? Do you long to enter the limelight and steal the show? But what do you do when you're playing second fiddle to an arrogant actor who barely knows your name? And, more importantly, what do you do when you find yourself falling in love with his wife? Put yourself in the understudy's shoes and step on to the stage of life. With his trademark style and humour, David Nicholls reveals how some people are always cast as the underdog. But that doesn't necessarily mean they never get the girl, does it?