In Chaiyaphum Provice in Central Thailand, there is a village called Noen-Yai-Oom located on the slops of a mountain. A beautiful temple called Pa-ta-kian-daeng was located in that village ...
When old friends from school start dying one by one, Sayree and Nataya begin to search for the secret of the letter that each of their friends received before death. Soon the two believe they are the next targets.