The unprecedented victories of Lance Armstrong were shockingly undermined when, in 2012, it was revealed that he had spent his career undergoing the most sophisticated doping program in the history of cycling. This docudrama from director Stephen Frears and scenarist John Hodge (Trainspotting) stars Ben Foster as the seven-time Tour de France champion, and Chris O'Dowd as David Walsh, the journalist who struggled for years to bring Armstrong's transgressions to light.