When top scientists at an aeronautics research lab die under mysterious circumstances, the agents suspect a mentally-challenged janitor may somehow be the culprit.
Clark is in his barn one moment... and the next finds himself in a psychiatric hospital where he discovers he's been suffering from delusions that he came from another planet and has super-powers.
Mulder fights to prove that a discovery frozen in the mountains of Canada is irrefutable evidence of alien life, but his quest for the truth leads to only more lies…and an unthinkable conclusion.
MacLeod returns an antique bracelet to the grave of his first love and encounters an old enemy.
Dylan (Kevin Sorbo) attempts to save a group of captured High Guard ships.
