Quincy's quest

Down on his luck, Martin Quincy falls in with crooked company, and agrees to participate in a train robbery. The hold-up is successful, netting Quincy over three thousand dollars. But later he's shocked to discover that one of the other thieves shot a woman in front of her child - and when he castigates them, they beat him, steal his money, and leave him for dead in the desert. Quincy, however, is made of stern stuff - and swears to track them down and kill every one of them...