Opal Dream

Opal Dream also known as Pobby and Dingan is a 2006 Australian drama film, based on the Ben Rice novella Pobby and Dingan, directed by Peter Cattaneo and starring an ensemble cast including Vince Colosimo, Jacqueline McKenzie, Christian Byers and Sapphire Boyce. It was filmed on location around South Australia, in Adelaide, Coober Pedy and Woomera. Opal Dream was released in Australia onSeptember 2006, with eventual release around the world.

Rex and Annie decide it is time to wean Kellyanne from her invisible companions. Annie takes Kellyanne to a Christmas party at Annies friends house, Rex telling her that he will let Pobby and Dingan come with him to go opal mining. Upon Rexs return, Kellyanne says she can no longer see them and that they have disappeared. She insists on going to the opal mining area to look for them, accompanied by Rex and Ashmol. The family accidentally strays on to a neighbouring miners claim. The miner, Sid, pulls a shotgun on Rex and calls the police, thinking that Rex was ratting on his territory that is, looking for opals on his turf.Kellyanne is griefstricken at the loss of her imaginary friends and takes ill, although doctors can find nothing physically wrong with her. Rex has to leave his opal claim. Annie loses her job at the local supermarket, thanks to the circulating rumours around Rexs arrest. Convinced that Kellyanne is faking her illness, Ashmol nonetheless goes along with her wish that he try to find Pobby and Dingan. He even comes up with the idea of putting posters around town. Ultimately, returning to his fathers mine area, Ashmol finds two lollipop wrappers. Deeper in the tunnel, he finds a large opal which he takes back to Kellyanne. He tells her he has found Pobby and Dingan, and that they are dead. ........

Source: Wikipedia