Curtis warns Diggle about the lightning dangers while overseeing an A.R.G.U.S. operation.
Diggle and an A.R.G.U.S. team are hunting for Kane Wolfman while the red lightning strikes around them.
Kara, Oliver, and Barry arrive in Gotham and stumble upon the disused Bat-Signal while planning their search.
Batwoman stands on top of the spire of the abandoned Wayne Enterprises tower and looks down at the new superheroes in her city.
Barry, Oliver, and Kara are walking haplessly through a seedy alley when they are set upon by some muggers and arrested after Barry goes a bit too far subduing the attackers.
Kara, Oliver, and Barry are released from police custody and escorted into a waiting vehicle by their mysterious benefactor.
Felicity, Curtis, & Caitlin set up a device to stabilize the breach forming over the city under Diggle's supervision and receive a message from the Earth-90 Flash.
Barry, Oliver, and Kara plan their search for Dr. Deegan and are joined by Caitlin, Cisco, and Diggle who tell them about the message from Earth-90.
The team sneaks into the asylum to locate Dr. Deegan and recover the book but when confronted he releases all of the patients from their cells.
The Monitor appears on the street to call out the heroes and tells them that he is testing this world to see if they can succeed against a greater threat.
Oliver and Barry reappear after another change in the universe where they are now wanted fugitives.