A look back at David's mother Gabrielle and his father Charles Xavier.
Mira enacts her plan for vengeance, surprising even Yanek.
Clare grapples with her role in Indigo and what its brought upon those around her
Echo is laid siege upon, as is the Office of Interchange once again.
So many doubles. The plot thickens.
Howard arrives at Echo, where he meets the warden and other interesting people.
The doors at the Crossing open again briefly, and a deal must be made.