Street medicine describes a simple idea: instead of waiting for homeless and uninsured patients to reach a clinic, doctors, nurses, and volunteers go to them, treating people under bridges, in shelters, and on sidewalks across the United States. The film follows a handful of these programs, small operations that run on donated supplies and unpaid hours rather than hospital budgets, and shows the kind of care that gets delivered in an alley or a tent: wound cleaning, medication checks, basic diagnosis, sometimes just a conversation that gets someone to trust a provider again. Without insurance or a fixed address, patients here fall outside the systems built to catch them, and the practitioners interviewed describe treating chronic illness and injury with whatever they can carry in a bag. The film stays close to the day-to-day work rather than policy debates, presenting street medicine as a stopgap that exists because larger systems have not found a way to reach these patients.