The story of gunner, an australian kelpy dog that had helped save the lives of many with his extraordinary sense of hearing. Gunner was found hiding and wounded in a destroyed mess hull after the darwin air force base was attacked by the japanese during world war two. When he was found after the attack, this dog had a broken leg, and he was horrified K he didn't want anyone near him. But overtime as they took care of this dog, he gradually opened up to them and became more friendly. And one day, when darwin was reconstructed, this dog became really agitated. He joined the royal australian air force.