
Cued by the popular "The Librarian" trilogy, this series introduces new members of an ancient group protecting mystical artifacts. Hidden below the Metropolitan Public Library, the secret society's longtime leader is Flynn Carsen, whose job has become very complicated. To help, the Library recruits Eve, a counterterrorism agent responsible for organizational security; Jacob, who has encyclopedic knowledge of art, architecture and history; Cassandra, who links auditory/sensory hallucinations to memory; and Ezekiel, a skilled thief and master technician. Overseeing them is Jenkins, the reclusive caretaker of the Library's sleepy little annex in Oregon. Noah Wyle executive produces and recurs as Flynn, the role he played in the movie series.

Prospero summons other fictionals in order to retrieve parts of his staff; the librarians find themselves pitted against Frankenstein's monster and Sherlock Holmes' nemesis Moriarty; Flynn and Baird have a disagreement.

Someone is killing off potential Librarians, and it's up to Flynn Carsen and his new Guardian, Colonel Eve Baird, to save the three that are left.

Stone, Cassandra and Ezekiel team up to investigate a cave-in at an oil rig site which has unleashed a shape-shifting god who grows in strength when lies are told.

The Serpent Brotherhood is trying to return magic to the world; Flynn, Colonel Baird, and the potential Librarians must stop them before it's too late.