Running a venerable bar in 1960 Montana while raising his twelve-year-old son, single father Tom Harry finds his world upended by the arrival of a woman from his past and her beatnik daughter, who claims Tom as her father
Hired as a housekeeper to work on the early 1900s Montana homestead of widower Oliver Milliron, the irreverent Rose and her brother, Morris, endeavor to educate the widower's sons while witnessing local efforts on a massive irrigation project.