Why did author Arthur Conan Doyle want to kill off his famous detective Sherlock Holmes - the man who brought him money and fame - only six years after creating him?

Arthur Conan Doyle had managed to finally rid himself of Sherlock Holmes. But who was Arthur without Sherlock - could he become the hero of his own story?

After Sherlock’s return from the dead, Arthur Conan Doyle became an evangelist for spiritualism. How would Arthur’s new beliefs change his super sleuth? And could Sherlock Holmes find a life beyond his author on stage and screen?