With a penchant for God, couture and only the finest champagne, Mary Cosby is a Pentecostal First Lady who inherited her family’s empire of churches, restaurants and more. The caveat in her taking over the family business was that she marry her late grandmother’s second husband, Robert Cosby Sr. They have since been married for 20 years and have one teenage son together.  Small but mighty and always dressed to the nines, her unconventional past has made her guarded and she quickly finds herself on shaky ground with some of the ladies.