Too many people have too many questions about the strange sounds, the sky trumpets or the hum, but there´s no finally answers or explanations of them.
But why? What´s the secret? Is there a rationale explanation? If yes, what´s about the witnesses and victims? And the unseen and unheard one?
This short documentary want to find the truth beetween religion, science, conspiracy, faith and maybe some answers.
The question still is: Where is that sound coming from?