Over the last century, more than one hundred people have lost their lives in the most baffling circumstances. Officially, the deaths have been put down to freak accidents in unfortunate circumstances. But unofficially, there's a chilling theory that links all of them together: Spontaneous Human Combustion. But does the phenomenon really exist? Iron Maiden lead singer Bruce Dickinson, sets out to solve the mystery. His fearless quest for the truth gets him seriously hot under the collar, but after risking a scorching, he finds some surprising answers to one of history's hottest questions.