American sharpshooter Matthew Quigley is known for his exceptional marksmanship. With his custom-made Sharps Buffalo rifle, he can hit targets at long range like no other. A new job takes him to Australia, where he is to hunt dingoes for the avaricious landowner Elliott Marston. But Marston has only one goal: to claim even more land on the largely uninhabited continent for himself. And to achieve this, he won't hesitate to murder the country's indigenous people. When Quigley realizes that he is supposed to kill Aboriginal people, not wild dogs, he refuses to start the job—and consequently finds himself in the line of fire of the ruthless rancher.