1972 and times are changing. In the small farming community of Mason, Kansas, Vera Exton is an activist who wants to join her boyfriend in the Peace Corps, but she is doing her duty caring for her widowed mother. Her sister, Kelly, is studying to become a veterinarian. Kelly plans to marry her childhood sweetheart and eventually take over his father's veterinary practice. But it's a tumultuous time and neither sister is entirely happy with the path...