Edgar Froese, band leader of Tangerine Dream and pioneer of electronic music, is on a lifelong mission to find the ultimate sound. His constant quest takes him and his fellow band members to worldwide success, all the way to the Hollywood studios in Los Angeles. At his death in January 2015, Edgar Froese leaves a legacy of 48 years of music history.
The film shows previously unreleased footage shot by the band leader himself: For the first time, we see the band backstage, on tour in Europe and the US, at photoshoots with Jim Rakete or on holiday at the seaside. Records and interviews with his wife Bianca Froese-Acquaye, with band members, close associates and fellow artists map the unique history of Tangerine Dream: a tribute to the musician Edgar Froese and the era of electronic music.

The rainforest is home to more species of plants and animals than any other habitat on the planet. But for humans, life there is not as easy as it looks. Life in the trees requires great skill, ingenuity and sheer bravery. The Matis of Brazil carve 4-metre-long blow-pipes to hunt monkeys - in near total silence. Deep in the Congo forests, Tete defies death by scaling a giant tree using nothing more than a liana vine, and he must then negotiate an angry swarm of bees - all to collect honey for his family. Three children from Venezuela's Piaroa tribe venture deep into the jungle to hunt tarantulas - to toast for lunch! In West Papua the Korowai tribe show-off their engineering skills by building a high-rise home 35 metres up in the tree tops. Most memorable of all, in Brazil we join a unique monitoring flight in search an un-contacted tribe...