Committed (2000)

Nobody believes in marriage more than Joline. So when her husband Carl suddenly leaves her for parts unknown, she sees it as one more hurdle in the life-long struggle to keep the faith. Rising to the challenge, Joline sets out on a two thousand mile journey to track him down and bring him back to his senses. But the real odyssey begins when Joline winds up in El Paso, Texas, finds Carl and stakes out his new life... from her car. With a little help from her brother Jay, his new girlfriend, Carmen, Carl's tantalizing neighbor, Neil and a Mexican medicine man, Joline discovers the ups and downs of being the most committed woman in America.