The horror genre has evolved pretty decently. Today, the genre isn't a homogeneous entity. It has become diverse and some of the very interesting experiments are happening in the genre of horror. Joseph Sim's Observance (2015) is an interesting film that shows us the immense possibilities of the horror genre. The film is about a cash-strapped private investigator accepting a job that requires him to spy on a woman and report back to the employer. The detective, Parker, occupies a seemingly run-down apartment that provides him a proper view of his subject and starts watching her through a DSLR camera with a long-range lens attached on it. The premise reminds us about Alfred Hitchcock's voyeur thriller Rear Window . In Rear Window, the protagonist is physically unable to move due to a broken leg. In Observance, the hero seems physically alright but his mind is wounded. His son has died, his marriage is falling apart and is nearly bankrupt. Parker feels some...