French actor Julie (Leonor Baldaque) travels to Lisbon to shoot a film based on the ''Letters of a Portuguese Nun''. Though her mother was Portuguese, she has never visited Lisbon before, having always holidayed in Porto, and so she decides to make the most of the trip to explore the city. She encounters a variety of Lisbon's inhabitants: an orphan (Francisco Mozos), a suicidal aristocrat (Diogo Dória), the reincarnation of Sebastian of Portugal (Carloto Cotta) and an enigmatic nun (Ana Moreira).