Jimmy Lai is a billionaire newspaper proprietor and a self-proclaimed natural-born rebel. He owns Apple Daily, Hong Kong's last opposition newspaper and he is an outspoken critic of Beijing. As China tightens its grip on Hong Kong, that puts him in danger - in August he was arrested under the strict new national security law. Yet refusing to be intimidated, he continues to speak out. With remarkable access to Jimmy Lai, the BBC's Danny Vincent meets the man facing possible life in prison after being charged with violating Hong Kong's new law.