Case 1: In the Spring of 2012, six children lost their lives in a devastating house fire. The subsequent investigation challenged the actions of parents, Mick and Mairead Philpott, quickly making them the prime suspects for the fire that killed their children. In a TV first, Mick's teenage son Michael gives his first TV interview discussing the events of that night.Case 2: In June 2015, police were called to the house of 67-year-old Rita Stephens. She had been the victim of a frenzied attack which resulted in her death. Police had a 44-year-old man in custody, her own son Mark. In a series of emotionally-charged interviews, Mark's siblings tell their side of this tragedy.