Tom uncovers confidential intelligence about the heart of the alien operation. Meanwhile, Charleston prepares to mount an offensive against the Espheni, but a massive explosion brings the operation to a halt. And the identity of the mole is finally uncovered, but not before more blood has been shed.
Genres: Action & Adventure , Drama , Sci-Fi & Fantasy
Keywords: alien , alien-invasion , post-apocalyptic-future , tv-shows-online