The Ötztal Alps, more than 5300 years ago. A Neolithic clan leader must avenge the massacre of his people and theft of his holy shrine.

Shot in Southern England over the course of six weeks by a crew of three American filmmakers, CircleSpeak offers a nuanced look at the passions and beliefs of the people immersed in the crop circle phenomenon during the season of 2001. This feature-length documentary presents interviews with serious “researchers”, self-proclaimed “hoaxers”, local farmers and villagers who are all, in one way or another, involved in this strange and compelling summer spectacle taking place year after year.

Professor Alice Roberts follows a decade-long historical quest to reveal a hidden secret of the famous bluestones of Stonehenge. Using cutting-edge research, a dedicated team of archaeologists led by Professor Mike Parker Pearson have painstakingly compiled evidence to fill in a 400-year gap in our knowledge of the bluestones, and to show that the original stones of Britain’s most iconic monument had a previous life. Alice joins Mike as they put together the final pieces of the puzzle, not just revealing where the stones came from, how they were moved from Wales to England or even who dragged them all the way, but also solving one of the toughest challenges that archaeologists face.

In summer 2003, when the heatwave hit in Europe, in Switzerland, the glacier below the Schnidejoch pass, released a mysterious object: a piece of a Neolithic quiver.