Two exorcists capture their work on video and upload it to YouTube. They come to the attention of a TV show that wants to boost its ratings. However, the studio crew remain skeptical.
After a lighting strike robs him of his memory, a mysterious stranger takes shelter in a small-town temple and embrace Buddhist ways.
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.
