In summer 1880, saloon owner Inez Stannert visits Manitou for a reunion with her son. When a fellow stagecoach passenger dies mysteriously, his widow begs Inez to investigate. Uncovering deceit in spa tourism and facing her estranged husband's return, Inez battles to protect her child and her hard-won independence in a world hostile to strong women.

A secret government experiment disrupts a sleepy Texas town. A teenager's prank ignites a gold rush while a CIA cover-up spirals into chaos. A local constable and his allies fight for justice against ruthless criminals and government agents, uncovering a web of danger reaching all the way to D.C.

In 1967, the Parker family grapples with a turbulent world. As murders and crimes shake their Texas community, Constable Ned Parker investigates while his cousin Pepper seeks solace in California's Flower Children movement. Amidst the darkness, they confront the sinister realities of their surroundings, including unexpected threats along Route 66.

As 1965 ends, Constable Cody Parker of Center Springs, Texas, is ambushed, sparking fears of "The Skinner's" return. While Cody recovers, Constable Ned Parker investigates multiple murders, encountering colorful locals. Cody's pursuit of a suspect into Mexico forces Ned to make a difficult moral decision.