颤栗记号 Silent Warnings (2003)认领

　　A small mid-western American town is besieged by a host of strange crop circles. When a paranoid small town farmer, Joe Vossimer, is killed in a mysterious accident, his farm is left to his cousin, Layne. After Layne arrives with some friends to clean out the place, several mysterious crop circles inexplicably appear in the cornfields. What seems like a practical joke to the yo...