An Unknown Substance

Plot

Vladimir Kara-Murza is a prominent Russian opposition politician and Pulitzer Prize-winning journalist who survived two near-fatal poisonings before being sentenced to 25 years in prison after speaking out against Russia’s invasion of Ukraine. This documentary short follows his wife, Evgenia Kara-Murza, during his imprisonment as she mounts a global campaign to bring him home and ensure that his voice would not be silenced.