Clare and Anna are two dedicated sisters who live together. Clare is in pain and Anna takes care of Clare between her commute to work and meeting her boyfriend. However, when Clare begins to have ghostly visions in the house, Anna cannot believe it. As the vision worsens, they test Clare's sanity, until one night she mistakenly attacks Anna and thinks she is one of the ghosts. Clare is hospitalized but the scenes continue to haunt her. But Clare was never the real target, ghosts have always pursued Anna and her unborn child. Now Clare must find a way to protect her sister, while she is locked in a secure mental institution.