This movie is about aging Swiss Professor Raimund Gregorius (Jeremy Irons) of classical languages who, after a chance encounter with a Portuguese woman, quits his job and travels to Lisbon in the hope of discovering the fate of a certain author, a doctor and poet who fought against Portuguese Dictator Antonio de Oliveira Salazar.
Swiss Professor Raimund Gregorius abandons his lectures and buttoned-down life to embark on a thrilling adventure that will take him on a journey to the very heart of himself.