Gunslinger Jonah Hex (Josh Brolin) is appointed by President Ulysses Grant to monitor terrorist Quentin Turnbull (John Malkovich), a former Confederate officer determined on unleashing hell on earth. Jonah not only by accepting this job, disables liberty, in addition, he gets revenge on the man who slayed his spouse and child. Megan Fox performs Jonah Hex's love interst as well as a prostitute .