Truth is the new banned substance.

While investigating the furtive world of illegal doping in sports, director Bryan Fogel connects with renegade Russian scientist Dr. Grigory Rodchenkov—a pillar of his country’s “anti-doping” program. Over dozens of Skype calls, urine samples, and badly administered hormone injections, Fogel and Rodchenkov grow closer despite shocking allegations that place Rodchenkov at the center of Russia’s state-sponsored Olympic doping program.