Jonathan Levit

When a small-time magician performs a trick where he appears to turn his head all the way around, but is then found dead in his van with his head neatly sawn off, Mulder and Scully suspect he was murdered and get caught up in an intricate scheme planned by two magicians trying to rob a bank.

Mark, Demetri and Wedeck try to find a connection between Janis's attack and a separate assault. Meanwhile, as Halloween approaches, Olivia confronts Mark about his flashforward, and Demetri and Gough track down a clue that was foreshadowed in Mark's vision. Elsewhere, Lloyd's son Dylan goes missing from the hospital, and the elusive Simon makes contact with a reluctant acquaintance.

Mark, Demetri, Gough and MI6 agent Fiona Banks investigate a nightclub's possible connection to a string of recent suicides.

Demetri's life hangs in the balance and Olivia learns the identity of the person who texted her about Mark's drinking.