Gunslinger Jonah Hex is appointed by President Ulysses Grant to track down terrorist Quentin Turnbull, a former Confederate officer determined on unleashing hell on earth. Jonah not only secures freedom by accepting this task, he also gets revenge on the man who slayed his wife and child.

After winning an all-expenses-paid Mardis Gras vacation in New Orleans, a tight-knit group of college friends prepare for the time of their lives. But boobs, beads and debauchery get pushed to the back burner when murder bubbles up to the surface. A local tourist trap hawking voodoo trinkets seems to be the source of all the trouble, but no one's sure who's pulling the strings when it comes to orchestrating the killings.