在这部湖怪剧情/悬疑/科幻片中,The disappearances of a Boy Scout leader and a biologist within weeks of each other draw Mulder's attention to Heuvelman's Lake in Georgia. Resident officials believe the case to be a joke, but Mulder hopes to find proof of the lake's long-rumored prehistoric monster, "Big Blue".
Scully and Mulder head off to Georgia when there are reports of people disappearing around a local lake. Scully isn't sure why they're getting involved until she sees a highway sign advertising their own version of the Loch Ness monster called Big Blue. The latest victim is a park ranger, giving the FBI jurisdiction, but Scully thinks it's all nonsense. The killings continue and Mulder thinks there something very real out there. Scully comes around when she is affected by the 'monster' in a very personal way.
