Valery Legasov and Soviet Deputy Prime Minister Boris Shcherbina consider using lunar rovers to remove radioactive debris, while Ulana Khomyuk faces government hurdles in determining the truth about the cause…

Arthur and Michael both end up arrested and imprisoned. As Tommy’s base in London is obliterated. Major Campbell has Tommy and his family under his thumb. Polly compromises herself hoping…

Tommy offers to help Polly by searching for her children, who long ago were taken from her. In London, Tommy risks his life by meeting enigmatic leader Alfie Solomons. Meanwhile…