When Rex, a Broken Hill cab driver, is told he doesn't have long to live, he sets out on an epic journey to Darwin in a bid to die on his own terms.When Rex, a Broken Hill cab driver, is told he doesn't have long to live, he sets out on an epic journey to Darwin in a bid to die on his own terms.When Rex, a Broken Hill cab driver, is told he doesn't have long to live, he sets out on an epic journey to Darwin in a bid to die on his own terms.