A superhero is trapped by Magnus, and his lack of finesse affects the team's work. Elsewhere, Will and Declan go on the search for a creature that's loose in the city, after the discovery of an eggshell.

Will goes up against the heads of the Sanctuary Network to defend Magnus who is charged with a shocking murder. But as the evidence stacks up against her, even Will has trouble finding a way to convincingly defend her innocence.

While an old friend of Magnus', a pouched abnormal named Jimmy, is handing over a fire elemental to the Sanctuary team, they are attacked by a gang of criminal abnormals from Chicago. The situation presents a lot of mysteries to be solved and quickly.

The team investigate a murder in Mumbai, and find a connection to the ancient cult of Kali, whose followers can foretell disaster. However, Will falls ill and disappears, and is somehow linked to the mystery.

The Sanctuary team must find and stop Kali before the tidal wave could kill millions. Meanwhile, in Mumbai, Will is still fighting for his life.

Kate gains super-hero-like abilities when an Abnormal attaches itself to her for safe keeping.

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.

Will's transformation has him literally climbing the walls.

Receiving word that a large group of Abnormals has been spotted near a South Dakotan cave entrance, Magnus realizes it's the first wave of Abnormals emerging from Hollow Earth.

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.

Kate returns from Hollow Earth with word that insurgents are about to strike an above-ground target – and may have inside help from a trusted member of Team Sanctuary.