My Brilliant Divorce

Middle-aged Angela is left and divorced by her husband of many years (nicknamed Roundhead) after he discloses that he has a Mexican lover "Mona the Poser". Angela's adult daughter tells her that she was the only person who didn't know about the affair, which has been going on long-term. Alone, with only family dog Axal for company, Angela mourns her marriage and learns how to live without her family.