The gripping account of one man's determination to discover, film, and understand one of the rarest and most formidable big cats in the world. In Great Soul of Siberia, renowned tiger researcher Sooyong Park tracks three generations of Siberian tigers living in remote south-eastern Russia. He sets up underground bunkers to observe the tigers, living thrillingly close to these beautiful but dangerous apex predators. Park draws from twenty years of experience and research to focus on the Siberian tigers' losing battle against poaching and diminishing habitat. Over the two years of his harrowing stakeout, Park's poignant and poetic observations of the tigers draw a fiercely compassionate portrait of these elusive, endangered creatures.