A message in three languages becomes a passport for fear. It begins on a winter night, as a nurse named Alma rides the last train from Lisbon. The carriage smells of citrus and cold metal. On a seat, she finds a folded card. The ink is pressed hard into the paper: one line in Portuguese, one in Spanish, and one in English. All of them say the same thing: stay on the red line. By morning, a tour...
