For more than 2,000 years, India has been a massive component in world history. But what are the country's origins and how did it come to be what it is today? These are just two of the questions behind this intrepid journey around the contemporary subcontinent. Wood embarks on an expedition through today's India, looking to the present for clues to its past, and to the past for clues to its future. The journey presents majestic landscapes and reveals some of the greatest monuments and artistic treasures on earth. From Buddhism to Bollywood, from mathematics to outsourcing, Wood discovers India's impact on history.