In the winter of 1947, Admiral Richard E. Byrd allegedly flew a secret mission across the frozen waters of the arctic. There, he claimed to have seen a previously unknown land with forests and even prehistoric animals. Even more incredible, he encountered flying discs from a technologically advanced civilization hidden deep within the hollow Earth.

This incredible adventure is revealed in Byrd's diary which had been missing for many years. Had it been sealed away by the U.S. government in fear of the haunting message given to Byrd by the inhabitants of the hollow Earth? Or is the truth...