Thanks to Uncle Giorgio, a very famous chef, Carolina has the chance to work at the Grand Hotel du Lac, by Lake Como, all summer. Here the girl meets many interesting people and finds out what really lies behind the façade of this luxurious hotel. Everything seems perfect until a series of unpleasant accidents unsettles the quiet of the hotel and puts Carolina’s life in danger.

How can a peaceful stay in Italy turned into a real adventure? This is what happens to Anna, a German student who has gone to Bergamo to improve her Italian. One day in her room she discovers the diary of Louise, a previous tenant. As she flicks through he discovers one pages which she finds deeply disturbing... Curious, Anna begins to investigate, and sets about to solve the mystery with the help of a friend.