The human brain performs astonishing feats. Neuroscientists attempt to understand how the brain works and find themselves confronted with the most fundamental questions about humanity: How is our personality connected to the structure of our brain? Could computers develop consciousness? Where does the human ability of choice come from? Are experiences of God or transcendence merely a product of chemical reactions? This documentary takes you on an interdisciplinary journey with neuroscientists, philosophers, and theologians, all asking these great questions, and points to the boundaries of scientific knowledge.