Sanctuary

As SCIU threatens the nascent Abnormal "Homeland" (with a deadly weapon partly designed by Nikola Tesla), both Magnus and Caleb come under "friendly" fire. Cornered and determined, Magnus responds with a daring move no one - on either side - sees coming.

Seeking to outrace the SCIU (who are attempting to capture a rare, legendary Abnormal), Magnus and Will are captured, injured and trapped in a Bolivian cave-in. Alone, the two friends struggle to survive - as they confront who they are and who they've become.

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.

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.

When a previously unknown Abnormal attacks Abby, Magnus and Will attempt to communicate with the creature using music - while Henry and Gavin retrace Abby's steps to find out what happened.

Team Sanctuary investigates a mystery on the high seas when the shipwrecked crew of a Bering Sea icebreaker murders the Abnormals on board and then turns on each other.

While Magnus deals with two ne'er-do-well flying Abnormals who entangle her in a wild scheme, Will takes a road trip to Monrovia - where he is unsettled by personal revelations and temporarily blinded during a riot.

Magnus and Henry attempt to infiltrate a secret Abnormal testing facility run by Homeland Security and encounter an old friend whose loyalties are once again in question - Nikola Tesla.

Intending to meet with her mysterious new financial adviser, Magnus flies off to a remote African island - only to become embroiled in a dangerous hostage situation. Meanwhile, back at the fort, Will and Henry have their hands full tracking an escaped Steno.

Team Sanctuary comes under fire from a U.N. inspector who threatens to cut off their funding and shut them down - attempting to turn Will against Magnus in the process. Meanwhile, Erika visits Henry, warning him of a potentially dangerous new dilemma.

As Abnormals continue to pour out of Hollow Earth, Team Sanctuary seeks to prevent the Lotus Security Forces from committing "xenocide" - while searching for and worrying about Magnus, who was last seen heading towards Praxis just before it was obliterated.

In order to prevent him from altering - or destroying - the future, Magnus uses Adam Worth's time portal to pursue him to 1898 London.