When Nicole Atkins returns to graduate school, a previous affair with a married professor is the last thing on her mind. However, someone else on campus has his eye on Nicole, someone who knows all her secrets.
In 1840, a samurai comes home to find his wife in bed with another man, so he kills them both and then himself. Flash-forward to the present day, and an American family of three moves into this since-abandoned house and starts to experience incidents of haunting and possession.