The film starts with two women, and it’s clear the younger one needs a lesson in proper behavior. It's pretty awful how quickly things turn cruel. New characters appear—a couple who seem pleasant enough—and I’m anticipating what’s coming next. The perpetrators are incredibly bold this time around, and that couple might be facing real danger. Their home is enormous and confusing, which can only mean more proble…

Films that begin by stating they are rooted in true stories tend to either succeed spectacularly or fall flat entirely. This one manages to land somewhere in between those two extremes, maintaining a sense of suspense and incorporating action sequences throughout. It brought The Strangers (2008) to mind, particularly the way information is unveiled. The fact that it's also presented as being based on actual events…