Longarm’s up against the four horsewomen of the apocalypse…

They are the daughters of Howard Diamond. Four sultry sirens with an appetite for outlaws and more ambition than their old man ever had. With a gang of gunslingers satisfying their every need, the Diamond Sisters have declared war on the citizens of Snakehead Gap, Colorado, claiming land that doesn’t belong to them.

Deputy U.S. Marshal Custis Long has successfully penetrated this nest of vipers, posing as a down-on-his-luck cowhand. But the warm welcome he receives from the sisters isn’t shared by the vicious—and suspicious—gunmen they employ…