Those brave enough to drink ayahuasca will meet spirits and have visions of other worlds and realms. Peruvian shaman use this visionary plant brew as part of a dieta—a retreat in the jungle—where they receive insights on healing. Through the auspices of Peruvian shaman Don José Campos, filmmaker Michael Wiese undertakes a 10-day dieta and shares his extraordinary experience in this video diary-style documentary film.