Documentary telling the epic 50-year story of an Indian tiger clan and its five most charismatic and powerful tigresses, who have revealed more about the lives of tigers than anyone thought possible. Their home is Ranthambhore in the northwestern Indian.state of Rajasthan, which is dominated by a huge, ancient fort and three crocodile-filled lakes teeming with tiger prey. Valmik Thapar has dedicated his life to following the big cats, witnessing some of the most remarkable tiger behaviour ever seen and filmed.