Magnus and the Sanctuary team attempt to capture a rare and deadly creature - all under the watchful eye of a local news crew.

Dr. Helen Magnus fights to save the life of one of the Sanctuary’s research scientists who was viciously attacked by a seemingly docile Abnormal. Baffled by the creature’s uncharacteristic behavior, Henry tries to figure out what, or who, caused the domesticated Abnormal to react so violently.

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.

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.

A colleague vanishes amid unexplained disappearances in Normandy, France, where Magnus and her team run into a military blockade during their investigation

With a government inspector threatening to cut off the Sanctuary's funding, Magnus and Will must explain a mission gone wrong. Meanwhile, Henry has a surprise visitor with some shocking news.