The city of Visaginas was created from nothing in the 1970s in order to service a powerful Soviet nuclear power station. Literally designed and shaped like the wings of a butterfly, it was intended to be a window of Soviet progress to the West. After USSR disintegration, however, EU membership meant Lithuania has to close the plant, the city’s main industry. At a time of growing geo-political tension, and in an ambiance of mutual mistrust, what future for the 25,000 Russian-speaking townspeople?