A revolution in technology is enabling scientists to unlock the mysteries of the most complex object in the universe: the human brain. In this powerful and emotive film we hear from the world's leading scientists about what it takes to unlock the brain's potential, witness extraordinary scientific breakthroughs, and meet people whose lives are already being transformed by this research. Proceeds from this film are being donated to patient causes.

Werner Herzog sets his sights on yet another mysterious landscape — the human brain — for clues as to why a hunk of tissue can produce profound thoughts and feelings while considering the philosophical, ethical, and social implications of fast-advancing neural technology.