Yura didn’t have any special hopes for the summer holidays - they promised to be so boring and monotonous! However, everything changed after the boy discovered in the forest... an eerie stone in which the power of a devilish ghost was stored. This ghost was eager to enter our world, and therefore possessed the boy - and now Yurka howls, growls like a predatory beast, he is now terrible and dangerous... Who will help him get rid of his evil obsession? Probably only his classmate Ulya, who accidentally followed him into the forest. Or maybe there is also a mysterious forest bell tower, once erected by someone who has now also become a ghost...