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