The little town of Petrovice has been terrorized by a serial killer who is murdering the students of the local high school. Who is the killer?

The little town of Petrovice has been terrorized by a serial killer who is murdering the students of the local school. The police are searching for the killer, but cannot find any lead. The murders are piling up and so are the suspects. The police are trying hard to catch the murderer, but it might be even late. The killer can be anywhere. Who is the killer?—Kucerafilm