Poor Tom was unlucky: he was born the youngest in a family of hereditary fairy-tale heroes, and besides, he was not at all like his brothers - handsome and brave. He really wants to go to real exploits as soon as possible, but he is still small - and besides, he strongly doubts his own courage. Meanwhile, his seven older brothers, one after another, receive letters of instructions from the History Bureau and go off to play the main roles - each in his own fairy tale. And all of them disappear under mysterious circumstances. And who, if not little Tom, has to go to rescue them, and at the same time fight giants, save princesses and find out whose fault it was that ordinary fairy tales turned into a real nightmare?