Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters are visiting a friend in sunny California -- and she invites them to the set of a movie in Hollywood! The mice love being around famouse and fabumouse directors and actors as they're working. But then an important reel of film is stolen from the studio! Can the Thea Sisters catch the thief and save the movie?

Is it sabotage? The Thea Sisters are visiting a friend in sunny California -- and she invites them to the set of a movie in Hollywood! The mice love being around famouse and fabumouse directors and actors as they're working. But then an important reel of film is stolen from the studio! Can the Thea Sisters catch the thief and save the movie? Nicky is always in a good mood when she s outdoors. Colette is energetic and full of great ideas. Pamela is a peacemaker who can t stand arguments. Paulina loves traveling and helping other rodents. Violet is detail-oriented and always open to new things. "