With Scully's life hanging in the balance, Mulder pursues a death fetishist whose horrifying obsessions could lead to murder.
The hunters seek out the second of a pair of rings that belonged to 15th century lovers.
After Mitchell Huston dies under mysterious circumstances at the Green Abbey hospice, Father Geddes points the finger at Dr. Sarah MacInnis. MacInnis ends up arrested, and Maz tells Ali he thinks they have an open and shut case.
Part one of two. The team is drafted in to help when two people disappear from the same town.
Part two of two. Nicole and Jess follow the assassins as they target another member of the witness protection scheme. As they discover how the group is locating its targets, they become caught up in dangerous events that some team members might not survive.