The agents uncover more information in the government's attempt to hide the truth about extraterrestrial life when Mulder discovers a video of an alleged alien autopsy.
The true birth father of small-town babies born with vestigial tails turns out to be a chameleon-like man capable of impersonating anyone – including Mulder.
While probing murders in a Southern town, the agents find evidence of modern-day cannibalism and its links to eternal life.