Under the Metropolitan Library lies a group dedicated to protecting the world from a secret, magical reality. They are... THE LIBRARIANS.

Far deep under the Metropolitan Public Library in New York, Flynn Carsen, a magical librarian who keeps ancient treasures safe in secret, is facing a fear of an evil society.

NATO Colonel Eve Baird is invited to join the Library as a guardian, but her original team menber are too unique to fight with... To save the world, a great adventure begins!