Philippine President Rodrigo Duterte's war on drugs killed more than 6,000 people in its first six months, and Undercover Asia goes into Manila's slums to find out who is dying. The crew follows a drug addict in Marikina city who discovers his name on a police watch list under operation Tokhang, the government's door-to-door "knock and surrender" campaign, and tracks a small-time supplier named Shane who keeps dealing despite the risk because he sees no other way to earn a living. Interviews with residents of the slums lay out how poverty and the drug trade have become inseparable, while the film asks whether Duterte's methods, which drew international condemnation for extrajudicial killings, actually address the underlying causes or simply add to the body count. The result is a ground-level view of a policy usually described in headlines and death tolls, told through the people caught inside it.