Brendan Beiser

When a man enters an office in Boston for a meeting, he becomes disoriented and collapses, only to have his veins erupt and spray blood everywhere. Shortly after Olivia and Peter arrive at the scene to investigate the bizarre case, it’s discovered that a lethal virus – with deep ties to something very valuable – is spreading, so the CDC moves in to quarantine the building and eradicate the pathogens. Isolated inside with the rest of the exposed office employees, Peter and Olivia face life-threatening circumstances, sending Walter, Broyles and Astrid on a frantic search for a solution to save them.

While investigating a videotape of an alleged alien autopsy, the agents uncover what seems to be tangible proof of the government’s contact with extraterrestrials.

Mulder finds himself trapped on a speeding train with a government assassin, a ticking time bomb and a deadly virus.

To save his dying mother, Mulder must protect the extraterrestrial healer, Jeremiah Smith, from a ruthless alien bounty hunter.

Scully learns new details about her sister's murder as Mulder pursues the shapeless alien entity inside Krycek's body.