无声警告/颤栗记号Silent Warnings（2003）中文字幕

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 youngsters soon turns out to have terrifying implications. The truth behind the mystery hides a horror worse than anything they could possibly imagine.