"There was no light in the elevator car. Just a couple of burning eyes were looking at the boys from there" - this is how two students met a ghost in the usual, still safe elevator of a high-rise building. And this is not the only secret that intelligent Maxim Bilan and strongman Denis Chernenko are trying to solve. Until then, they did not think they could find common ground and make friends. But now no one but them will save the Golden Cup - the main prize of sports aimed at thieves, will not challenge pet thieves and, of course, will not hunt ghosts, which are found not only in elevators but also in cozy Carpathian houses inherited. The dangerous adventures of young detectives do not end there ...