1949. Small town Colorado. A group of regular American students struggle to accept a foreigner in their midst; their unthinking behaviour will have terrible consequences that are to change world history. In London, sixty years later, a university professor's work analysing those consequences takes on a frightening personal dimension when Layla Ahma walks into his office - From the author of "Little Platoons", "The Contingency Plan", and "World Music" - debuting at Hampstead Theatre, 2012.