A killer blizzard has hit tiny Buffalo, Wyoming, where Dr. Patrick Flint is trapped inside the hospital with his family, trying to save the life of a prominent local citizen. An injured drifter shows up at the door, and Patrick takes him in. When the power and communications go out that night, people start dying, and the drifter is nowhere to be found. Patrick is caught between his duty to his patient, his loyalty to his family, and his fear for all...

When Mari Baroja is found poisoned at the Durant Home for Assisted Living, Sheriff Walt Longmire is drawn into an investigation that reaches back fifty years into the mysterious woman's past. Her connections to Wyoming's Basque community, the lucrative coal-bed methane industry, and the personal life of the previous sheriff, Lucian Connally, lead to a complex web of half-truths and assumed alliances. Aided by his friend Henry Standing Bear, Deputy...