In 1988 a bomb destroyed Pan Am 103 over the Scottish town of Lockerbie killing 270 people. Abdel Baset Mohamed Ali al-Megrahi, was eventually tried and found guilty of the largest case of mass murder in UK history. Megrahi maintained his innocence right up his death in May 2012 and many serious commentators continued to express doubts about the safety of this conviction

In 1970, 1,500 hippies founded a commune in rural Tennessee. They shared their savings, grew their own food and built a self-sufficient society. Raised on "The Farm" by a Jewish mother and a Puerto Rican father, sisters Rena and Nadine return for the first time since 1985. They chart the rise and fall of America's largest hippie commune and their own family tree.