The Cold War’s wildest dreams of climate control have made a spectacular comeback: from the USA to China, ‘geo-engineers’ promise to make climate change the way we want. And they have found powerful supporters among lobbyists and entrepreneurs. This film is an investigation into the world-wide boom in geo-engineering. How did a pseudo-science with a controversial past become a planet-wide research subject? How did crack-pot academics turn into respected and even courted figures? How can we keep “rogue states” from staking their all in dangerous experiments? And will we really have any choice?