 Sex, Drugs, Rock  n  Roll, it s all just part of the story. In 1978 Fleetwood Mac released an album that would go on to sell over 27 million records. Rumours was the high water mark in a career that has seen ups and downs that would have destroyed most bands. Yet somehow, Fleetwood Mac endures. FLEETWOOD MAC: UNBROKEN CHAIN looks at over thirty years of rock n  roll history, from the perspective of one of the world s most enduring bands.