Posadas County, New Mexico, has very few mean streets and no city-slick cop shop. But it has an earnest, elected Sheriff and his aging Undersheriff - William C. Gastner. Pushing sixty, widower Bill has no other life than in law enforcement - and doesn't want one, even if he's being nudged gently toward retirement. Then big time trouble strikes.

A car full of teens, running from a stop by Deputy Torrez, goes air-borne into a rocky outcrop, killing all five kids and revealing a package of cocaine under the seat. Has someone brought big-time crime to the county?

Bill is now dealing with grieving parents - one of whom starts packing a gun. Then a second explosion of violence fells an undercover cop.

Under pressure, the sheriff's department pulls together to make a formidable team. Its weak spot may be Bill whose mind is too tough to crumble but whose body, long mistreated, gradually succumbs to stress. Ignoring all advice - and sense - he pilots the case to a final dramatic, midair confrontation where the fate of the killer - and the cop - will be decided....