This film should be called Gaslighting: The Movie. It stressed me the fuck out.

But, arguably, it was a good thing, because I did feel something. In fact a multitude of things: anxiety, dread, suspicion, and a looming feeling of suspense was woven carefully throughout the film.

This film is extremely -- unashamedly -- British in its humor and how it operates. From the large looming English Country Manor, to the shooting games, to casual references to pubs and uni.…