While leading a covert meeting in Rome, Magnus encounters an old friend from her past who confides that the cabal has come to exact revenge on her for the events in "Fata Morgana."

The Five, led by Magnus, attempt to find the secret labyrinth in the decimated city of Bhalasaam. Once located, they must complete a series of cryptic tests that can only be achieved using each of their unique powers.

The search for Ashley puts Magnus and her allies in the path of Kate Freelander (Agam Darshi), a con artist with ties to the Cabal who divulges the location of a secret facility

The Cabal's new "Super-Abnormals" begin destroying Sanctuaries around the world. It won't be long before they launch their attack on the Old City Sanctuary, and Magnus must choose between saving Ashley and saving the Sanctuary Network.

When rich youngsters begin to disappear after an apparent death and then come back to life, the trail leads Will & Magnus to a drug clinic in Mexico run by Nicola Tesla. Knowing his all-times plans, big trouble to be expected.

Nikola Tesla surfaces, sending Helen an SOS from the Colombian Highlands - but Will doesn't think he can be trusted.

Word of a possible werewolf sighting prompts Henry and Will to visit an English psychiatric facility. As they probe a potential connection to Henry's Hyper Accelerated Protean past - and future - Magnus and Tesla investigate the mysterious holographic city.

With Adam on lockdown at the Sanctuary, Magnus investigates his connection to Hollow Earth - and Druitt - while being forced to reveal dark secrets about the chaotic origins of the Five.

Will takes command of the Sanctuary while Magnus and Druitt search for a critical artifact in London. Knowing that Magnus's only hope for a cure lies in the secret subterranean city, Will ignores her warnings and releases Adam-Hyde in the hope that he will lead them to an access point for Hollow Earth.

Seeking a gateway to the secret subterranean city, Magnus leads a treacherous mission to Tibet - telling a bitter Adam that he must stay behind while promising to bring back a cure for their radiation sickness. Because of their source blood, Magnus insists that Tesla and Druitt stay behind as well, taking the only shield Tesla was able to construct for herself. The hidden city, however, is rigged with deadly security traps - and death awaits the team at every turn.

Magnus and Tesla investigate a former Praxian stronghold and unintentionally stumble on vampiric secrets.

Discover Magnus' role in a turning point of World War II history.

The team tracks an аbnormal fugitive, and discovers that Tesla is the head of a secret research lab for a Homeland Security agency that conducts tests on Abnormals.

Just when Magnus thought Adam Worth was gone forever, she and Tesla become trapped in a virtual Sanctuary, where they are attacked by an avatar of Worth – who is determined to enter the “real” world.

Magnus is approached by a notorious leader in Hollow Earth who is looking for assistance in building a new home on the surface for his insurgents, but problems arise when the world's government gets involved. Addison reactivates Will's federal commission.

With the new Abnormal Homeland now openly under threat, Henry and Tesla learn that the SCIU weaponized Tesla's work to use against Abnormals. Bigfoot and Kate investigate Caleb's rise to power while Will and Abby look into Magnus' past.