Reports of demons are examined, beginning with the sighting of a devilish primate by a terrified family in Kentucky. Also: A small town in Illinois arm themselves against a feline predator; and travelers on Route 666 allege frightening encounters with an evil truck driver.
Sarah, an ambitious ghost hunter, is hired by a wealthy businessman to investigate reported hauntings at a facility he owns. Potential buyers have been scared off by reports of "activity" at the building, and he is motivated to have Sarah debunk any rumors.
The series follows Police Captain Petch Phumthai's story. He was attacked and lost his left eye. Luckily, someone donated an eye, but to his surprise, it was a special eye that can see ghosts. He uses it to solve police investigations and prove cases.