Watch Free Online HD Moviesjoy. Examining the case of Jeremy Bamber, who was convicted of murdering both of his parents, his sister and her six-year-old twin sons at the family farmhouse in Essex in August 1985. The programme analyses the events of that fateful night, the subsequent investigation, and what was - and wasn't - presented at the trial of Bamber, asking whether someone else could have killed the family at White House Farm.