 Karen Davis is a woman residing in Japan with her boyfriend, who is studying there. Temporarily assigned to be caretaker for a woman with severe sleeping disorder, Karen goes to the patient s house. What she finds is something she would never expect. The house is plagued by the presence of murderous ghosts, the result of a curse. The curse is born from someone dying in a powerful rage. Now, Karen finds herself being tormented by that curse, as it eventually starts claiming it s victims.