When her wild younger sister Ashley, who suffers from bipolar disorder and drug addiction, goes missing, Libba Phillips pours all her time and energy into finding Ashley and bringing her home. As the years go by, Libba refuses to give up hope, and, at the expense of her marriage and career, Libba finds her calling in life: creating a much-needed resource center for other families whose missing loved ones have fallen through the cracks.
It is 2020. Findings by environmental scientist Professor Thom Archer suggest that Halo, the corporate energy company drilling on the Greenland Glacier are causing it to melt. Archer's warnings are ignored, so he heads to the Arctic to find indisputable evidence. Upon arrival, he realizes humankind is under immediate threat, and races home to save his family. The glacier collapses, with devastating consequences. Astonishing weather patterns emerge and plunge the world's temperatures into steep decline.
A follow-up to the documentary series reports on what has happened since author Michael Peterson was found guilty of murder. In an interview from prison, Peterson talks on camera for the first time since his trial.