Married to a gangster at 15 widowed by the St. Valentine's Day Massacre remarried to a playboy forsaken left to raise her baby alone: Mary Donnell (Bette Davis) leads the kind of three-hanky life just made for a prestige '30s melodrama. Besides showcasing one of her most subtle and moving portrayals, That Certain Woman marks important firsts for Davis. It was her first film with Henry Fonda, her co-star in the following year's celebrate