IKEA is undoubtedly one of the world's most successful, enigmatic, and recognisable global brands. Last year nearly 800 million people in 49 countries visited its stores, which had a turnover of more than £30 billion. In a major new three-part series, our cameras explore the world of IKEA, from the design studios to factories and stores, for the very first time. Few companies can legitimately claim to shape the way we live today. Fewer still inspire a cult-like devotion in customers and employees alike. But IKEA is not like other companies. The famously secretive Swedish furniture retailer is guided by the principle of creating 'the better everyday life for the many people'. But what is the secret to its success? How does the machine of IKEA affect the people who work for it, and how does its ruthlessly efficient business model affect the world?