In the movie off shoot of the successful television show Mulder (David Duchovny) and Scully (Gillian Anderson) are back to investigation of extraterrestrial and paranormal activitiy as government agents. The X-Files have been closed and Mulder and Scully have been sent to different assignments, the first one assisting in a bomb scare at a federal building in Dallas. When they save the day it would seem like a good thing, but upon returning to Washington they are berated because four people supposedly died in the explosion of the bomb they discovered. As they examine the bodies of these victims, Scully declares alien involvement and they are once again off to find evidence of extraterrestrial activity. After a harrowing escape in their pursuit of evidence Scully is kidnapped by a mysterious ambulance driver. Mulder must utilize the aid of his friends The Lone Gunmen, and other mysterious aid, in order to seek out Scully and save her life before it is too late.