Russian opposition leader Alexei Navalny believes the Russian state poisoned him in August 2020. In January 2021, he released a film that sent shockwaves through the country. Part-exposé, part-psychological portrait, his investigation claimed to reveal a culture of corruption within the Kremlin - with President Putin at its heart. In February 2021, Navalny was jailed. In this special episode of True Spies, Vanessa Kirby presents an abridged version of Navalny's explosive investigation. The Kremlin deny everything - how far would YOU go to fight against your government? From SPYSCAPE, the home of secrets. A Cup And Nuzzle production. Alexei Navalny is voiced by Konstantin Kisin. Series producer: Gemma Newby. Produced by Joe Foley. Music by Nick Ryan.