Heather Robinson grew up in a loving family in Illinois and, by the time she was a teen, had long known that she had been adopted as an infant. But in 2000, the then-15-year-old’s world was shattered when she learned that the man she knew as her uncle, John Robinson, was actually a serial killer accused of murdering multiple women in the Kansas City area, including her biological mother. Following her uncle’s arrest, Heather learns the shocking truth about her birth mother’s disappearance