Jonah Hex meets fellow bounty hunter Slow Go Smith when Slow Go saves him from certain death at the hands of a murderous gang. Hex must intervene when Slow Go's life is put in danger.

During Grant's presidency, Jonah Hex is a remorseless bounty hunter. In the Civil War, he was a rebel whose honor put him afoul of a Confederate general, Quentin Turnbull, who murdered Jonah's family ...