The promotion pre–warns you that it is a ghost story so that takes a lot of the suspense out of what follows which for the most part is watching text messages. Kristen is fine however.
It is all the better for its low key approach. There is some good street location shooting but the standout is the performance of Kitty Winn whose character you can witness deteriorating throughout the film.
The two combatants who are opposites at the start are slowly drawn together as a result of their experiences. This dreadfully corny scenario for once is expertly done thanks in no small part to a well written screenplay and the required performances.