Maria Lindberg

Dr. Miller, Uncle Louis, Mrs. Werner and writer Harry - four classic characters. Who is evil and who is good - it is not entirely clear. But it requires the youngsters Kaj, Peter, Marianne and six year old Tommy to figure it out during an eventful summer on idyllic Kullen in Skåne. Espionage, mysterious lights and strange code words suddenly become a part of everyday life, but also wild hunts in min shafts, kidnapping and nighttime burglary. It will be a summer they will never forget. (imdb)

Granhyttan in Sweden used to have rich mines. One day a suspicious couple, Signe and Orvar, arrives in the small town and retires in a purged hut. Nobody knows what they up to; but strange things starts to happen when a young boy, Staffan, finds a piece of shining metal, while playing in a mine. (imdb)