"Why Not? with Shania Twain" intimately documents the amazing journey of the music superstar who, by the age of 21, had survived a childhood of poverty and the loss of both her parents' in a devastating accident. She went on to become the best-selling female artist in country music history. Then at the height of superstardom, Twain was blindsided by a double-betrayal shattering her 14-year marriage. Now she opens up about her life-altering heartbreak and how she's moving on. Viewers will follow Twain as she begins her climb back to the top through a personal journey filled with risk, revelations and unexpected adventures. (Source: OWN)