Lisa Ling updates the stories she highlighted in season one.

The double murder of Bernadette and Greg Ohlemacher in 2005 bewildered their family and friends. Suspicion quickly fell on their daughter, Renee, but other suspects emerged, including the least likely suspect of all.

Using a visualization exercise, Tennie helps the clients work through the pain of their childhoods. Tensions rise leading Elizabeth and Tinisha to rebel against the meal plan, and Traecey is forced to deal with the grief over her brother's death.

Emotions run high as Oprah welcomes one of her idols, Diana Ross, and her family to the studio, and clears the air with former protege Iyanla Vanzant.

Naomi finally summons the courage to tell her daughter Wynonna about the abuse she suffered as a child, and is stunned by the manuscript of daughter Ashley's soon-to-be- published tell-all autobiography.

Still reeling from the revelations in Ashely's manuscript, Naomi travels to Los Angeles with Wynonna. But a tour of the places they used to live in L.A. brings back a flood of painful memories, and the experience is nearly too much for them to handle.