The Librarians S04E01 - And the Dark Secret
The Librarians (2014)
S04E01 And the Dark Secret
Episode Overview
A clandestine group within the Vatican discovers an old map that reveals the locations of the four cornerstones of the original Library of Alexandria. Now, Flynn and the Librarians must race against time to prevent this secretive sect from using the stones to obliterate the Library, with assistance from an unexpected ally along the way.