Dumrauf’s research forms cartography of a hidden river on the Río de la Plata, whose waters can cure or madden, depending on the drinker. Will he reveal mysteries of the cosmos, or simply the weakness of his aging mind and body? The dark swirls of Jorge Fantoni's illustration depict the topography of Diego Arandojo's story like a relief map. Unfold and trace your own journey into the conspiracies.