A Victorian electricity pioneer dies by his own hand. Simon Borthwick lights up 1880s London with a stunning illuminations display - then shoots himself in a hansom cab. Plucky Fleet Street reporter Penny Green witnesses the inventor's death and suspects the clue to his suicide lies in a mysterious letter he left behind. But can she persuade Inspector James Blakely of Scotland Yard that a crime has been committed? Borthwick isn't the only person who...