The death in prison of Sergei Magnitsky, a young Russian lawyer, remains one of the darkest scandals in the blotchy history of Russia's criminal justice system. As the US lock horns with Russia, pushing ahead with their controversial 'Magnitsky Act' and suspicions continue to swirl around the death of businessman Perepilichnyy, this doc offers unique access to the full details of Magnitsky's alarming story.