As someone is targeting potential Librarians, it's Flynn Carsen and his new Guardian Eve Baird's job to save the three remaining ones.
As the Serpent Brotherhood is attempting to bring magic back into this world, Flynn, Colonel Baird, and the Librarians set out to thwart their plan.
The Librarians' first solo mission faces trouble when Baird loses the rest in a mysterious maze below a modern skyscraper.
The Serpent Brotherhood kidnaps Santa Claus, and Mrs. Claus hires the Librarians to save him in London.
Flynn returns to find the dragons' treasure to stop them from awakening and destroying the Earth.
The Librarians journey to a place where fairy tales come to life and attack people.
A group of high-schoolers begin hurting each other using witchcraft so the Librarians must intervene to stop them.
The Librarians find a house that caused the legend of all haunted houses, and decide to put an end to it.
An alien attack in a rural town is uncovered by a missing-person investigation.
The changing fates of the Librarians are revealed by Baird as he moves through alternate timelines.