Ozzy Osbourne is renowned as one of the craziest frontmen of all time. His antics include biting off a bat head and snorting ants on stage will go down in the annals of rock history. But what made Ozzy so frenetic? In this revealing look at the legendary lead vocalist of heavy metal band Black Sabbath see Osbourne's roots and the childhood trauma that forged the entertainer and made him want to 'out crazy' his peers. Sharing their experiences with Osbourne are his friends and colleagues including Black Sabbath's first manager Jim Simpson and friend Geoff Lucas who help chart his life from his poverty-stricken upbringing in England through his rise to the top as frontman of Black Sabbath and his eventual dismissal after his drink and drug addiction overwhelmed him. Viewers will also see how his wife Sharon saved him from ruin and how she helped harness Osbourne's wild side and turn him into one of the world's most successful stars.