Communism is long gone but its legacy continues to reverberate. And not only because of Cuba, China or North Korea. Inspired by utopian ideas of equality and universal brotherhood, communism was originally conceived as an ideological, socio-political, economic and cultural alternative to capitalism's crises. The attempt to build a new utopian world was costly and brutal: equality was quickly transformed into uniformity; brotherhood evolved into the Big Brother. The course provides an in-depth review of these contradictions between utopian motivations and oppressive practices in the Soviet Union.