Ghost of Valentine (2006)

Original title: กระสือวาเลนไทน์

There's something abnormal and supernatural inside her body, something that she just doesn't want to accept.

A beautiful nurse started a new job in an old hospital. She is well-liked by her colleagues because of her graceful personality and sharp mind. The hospital janitor for the hospital falls for the nurse at first sight. The first rose he gives to the nurse leads to a surprising kind of true love.