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.
Bo and her allies face off against the ultimate threat.
A shocking discovery forces Bo to make a difficult decision.
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.