Clearly influenced by the darker, more sinister style of spaghetti westerns, Dirty Little Billy offers a unique insight into the beginnings of the notorious outlaw Billy The Kid.

A report reaches the US Army Cavalry that the Apache leader Ulzana has left his reservation with a band of followers. A compassionate young officer, Lieutenant DeBuin, is given a small company to find him and bring him back; accompanying the troop is McIntosh, an experienced scout, and Ke-Ni-Tay, an Apache guide. Ulzana massacres, rapes and loots across the countryside; and as DeBuin encounters the remains of his victims, he is compelled to learn from McIntosh and to confront his own naivity and hidden prejudices.

After his best friend and war buddy is mysteriously gunned down, Mike Hammer will stop at nothing to settle the score for the man who sacrificed a limb to save his own life during combat. Along the way, Hammer rides a fine line between gumshoe and a one-man jury, staying two-steps ahead of the law—and trying not to get bumped off in the process.