Hunted is the Hunter

It's the perfect assassination. Every man who murders his wife and every wife who murders her husband does so with the firm belief they will never be caught, although this belief belies the inevitably obvious suspect. From time to time, however, chance mates with fortune to present the perfect crime. She's worth a life and the price of a bullet. He will risk all for one selfish act of violence. Will the hunter become the hunted?