In 2009 the film adaptation of "The Vintner's Luck" directed and co-written by Niki Caro was released. The film was almost universally panned at the 34th Annual Toronto International Film Festival. Knox was disappointed at the direction the movie took as she felt Caro "took out what the book was actually about", referring to the romantic relationship between Sobran and Xas which was a core aspect of the novel. Her sister Sara, who is gay, was also upset about the film version. Knox's bad experience with the film made her pull out of a potential film contract with New Zealand filmmaker Jonathan King for her young adult fantasy series, "The Dreamhunter Duet".