The global success of hit movie Lion has made screenwriter Luke Davies one of Hollywood's hottest properties. But the path to success has not been an easy one. An unhealthy fascination with drugs in his teens turned into an obsession by his early 20s. He and partner Megan Bannister plunged into a decade of heroin addiction, a terrible chapter in their lives that Luke would later immortalise in the novel, and then movie, Candy. Megan - the real Candy - gives her account of those years for the first time on camera. Luke's parents also speak for the first time about their anguish at their son's decline. In 1990, after a decade of despair, Luke Davies gave up heroin - a decision that probably saved his life and allowed him to realise his childhood dream of being a writer. Then in 2007 he left Australia to try his luck in Hollywood. After years of financial struggle he struck gold with his script for Lion, winning a BAFTA award and being nominated for an Oscar. This remarkable story of ...