Unruhe

"Unruhe" is the fourth episode of the fourth season of The X-Files. Agents Mulder and Scully investigate a group of bizarre abductions in which the only clues are inexplicable photographs. But, when Scully is the next intended victim, Mulder must get into the killer's head. Text taken from the Unruhe summary here.
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n. restlessness, disquiet, anxiety, worry, uneasiness, agitation, lack of calm, unrest