Nobel Laureate Walter Kohn and host/narrator John Cleese present this new documentary movie on solar electricity. The film is a scientific morality tale: how, starting from the most pure and basic science, through stages of brilliant applied science and engineering, there emerges a promising multi-billion dollar technology to help deal with one of the great challenges of our time: energy. That is, finding economically realistic, clean and safe energy sources to replace diminishing cheap fossil fuels at a time when energy demands of the developing world continue to grow rapidly.