The architect Paolo Scalia continues to receive mysterious postcards: they should have been sent by his sister Emilia, but Emilia has diasappeared. Paolo goes to Venice and with the help of Lisa, a journalist, in an attempt to follow the traces of his sister and to discover what has happened to her. The people they meet all seem to hide something , but it is an enterprising police officer who unravels the mystery of crimes committed in the city and the disappearance of Emilia. Level B1 sakriti opis