The Mystery of the Dark Castle

It's vacation time again! This time Paul will spend it with his friends – Mike, Peggy, Nora, and Jack. Moreover, the entire royal family of Paul will come to stay in England. And for their accommodation, a real castle has been rented. But this castle, it turns out, is not ordinary – mysterious events occur in it, strange sounds are heard, books jump off the shelves, and people come to life in the portraits... The kids decide to get to the bottom of everything, and most importantly, find out who that mysterious inhabitant of the castle tower is?