A war between expedience and truth. Mr. Legasov is a scientist. Chernobyl happens; Legasov has to investigate. Something uncomfortable becomes clear: Though Soviet authorities *say* they want an investigation, they don't want an actual investigation. They don't want any facts that would implicate higher-ups. They just want to blame some technicians, some (certainly-foolish) yokels who were operating the switches. The problem is that Chernobyl had a faulty design, and there was an awareness of this faultiness for many years. Legasov--knowing he will likely die from radiation--does the brave thing. He says that he himself--and other scientists--must take responsibility for Chernobyl, because cost-cutting led to disaster. In Legasov's climactic speech, you may recall "Spotlight"--where people did a brave thing, despite the fact that bravery can make a reporter unpopular. (People don't like seeing a system challenged, even when the system is clearly a me...