Grand Lac

A small group of investors has purchased lots on a mountain on the outskirts of Grand Lac in northern Idaho. One dark night one of the investors, Jack Ketchum, gets drunk, climbs aboard a large bulldozer he owns and carves a raw and twisting track of destruction down the mountainside though the property of each of the other owners. Days later Ketchum is found dead in a ravine not far from his land.
He's been shot through the chest by what appears to be a bullet from a large-caliber hunting rifle. When a local day trader, young Sam Black, is jailed for the murder, his mother, Edie Black, calls her Twin Cities cousin for help. Marjorie Kane, ex-exotic dancer, enlists the aid of her partner, Alan Lockem. The pair are older independent investigators who specialize in solving unusual and sometimes strange cases.
Unlicensed, the pair work both inside and outside law enforcement. The duo flies to Grand Lac to try to prove Sam innocent and catch the real killer. They quickly find themselves enmeshed in civic chicanery, corruption, and other evils, which must be sorted out to save Sam from prison, and to protect their own lives.