This Signal is Not a Warning but an Invitation

A mysterious signal spreads across the world, changing those who hear it in ways no one can understand. As civilization crumbles, a few remain unaffected, searching for answers in the ruins of a secret research facility. But the deeper they go, the clearer it becomes the signal was never just a sound. It was a message. And it was waiting for them.
Thank you Watching and Listening guys.
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