Fay (Geena Davis), an ailing but still rebellious Texas cowgirl who escapes a Dallas nursing home to live what's left of her life on her own terms. She makes a perilous journey back to her native East Texas-- first by truck, then by horse-- while being pursued by her well-meaning adult son Randall, who can't help but care about his mother despite the dysfunction he experienced as a child, and well into his adult life.