Summary: Great story continuance of a 2-parter. Scully taken hostage, traded for Mulder’s sister, who dies in a river. Then Mulder stumbles into the female clones who all look like the one claiming to be his sister. Mulder heads to the Beaufort Sea without telling Scully. Skinner sticks his neck out for Mulder again, while he finds the submarine in the ice. Scully arrives to help in the ER that the previous episode began on.

Location: Beaufort Sea; Germantown, Maryland; Bethesda, Maryland; Rockville, Maryland

“I’m your sister, Fox, you have to trust me.”