Bo and her allies face off against the ultimate threat.
A shocking discovery forces Bo to make a difficult decision.
A Jaridian probe disrupts the Taelon Commonality, leading the aliens to round up suspected resistance members and "harvest" their life forces to feed their own.
Jess searches for a woman who disappears from a plane in mid-flight.
Anton inexplicably reappears, but he's now dying from the arch's effects. Matt suspects that Elsinger knows more than he's admitting.
