Whatever happened to Scotland's Silicon Glen? US giant IBM arrived at Spango Valley in post-war Greenock, attracted as part of a government effort to replace industrial jobs. For decades the company provided thousands of jobs, often at the leading edge of technology, helping to attract dozens of high-tech investments to Scotland from all over the world.

What was it like to work for the company known as Big Blue? The film uncovers the stories of the shop-floor at IBM. And it tells of IBM's supporting role in major events including the Moon landings and the creation of an iconic movie - Stanley Kubrick's 2001: A Space Odyssey.