Overview: The Imposter Big Man, Big Heart Roam Free The Imposter Truth may be stranger than fiction but this story is simply gob-smacking. It begins with the disappearance of a teenage boy. His family searches for him, desperately but unsuccessfully. Then, 3 years after vanishing, Nicholas Barclay reappears on the other side of the world. There’s joy, jubilation, and there’s his harrowing account of what happened to him. But as you’ll see, something’s not quite right. Reporter: Karl Stefanovic Producer: Gareth Harvey Big Man, Big Heart David Foster is a World Champion woodchopper, the undisputed King of Australian Axemen. He’s been Tasmanian of the Year and won an Order of Australia. Then 3 years ago, a family illness cut David Foster’s life in half. His wife was sick, and doctors had given up all hope. But not Dave. This is a story of a big bloke, with an even bigger heart.