hile traveling from California to Bangor through a lonely road, Carrie Mitchel is advised by the gas station attendant Jimmy to rest in a hotel; however, she decides to continue driving through the night. Later she almost hits the teenager Amy Singer that is wandering on the road wounded with blood on her face. She gives a lift to Amy that tells that her friends from the Boston University Mike, Greg, Tammy and Lisa and she had traveled in a RV to Arrowhead to research the area as part of a discipline in their course. When they stopped in a gas station, the attendant Billy advised them to avoid the place in Bradford City called "Devil's Playground" by the locals. While digging in an area where a mine collapsed on 19 December 1967 killing 239 coal miners, they find preserved bones that they believe belonged to the Indians. However, when they find teeth with golf fillings and a watch on the wrist of an arm, they realize that the deaths have recently occurred and they are in a dangerous location.

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