Paranormal Activity 4 (2012)

Five years ago, Katie (Katie Featherston), who seems to be controlled by the devil, kills her boyfriend, sister and brother-in-law, and takes away their infant child Hunter. In 2011, an ordinary happy family of four, beautiful girl Alex (Catherine Newton Kathryn Newton) leads a carefree life. She has a video chat with her boyfriend Ben (Matt Severly Matt Shively) every day, and Ben usually takes pictures with a camera at any time. One day, the helpless little boy Robbie (Brady Allen) lives in Alex's house. Robbie is silent and claims to have a friend named Toby. Alex, they didn't care at first, but gradually they found that strange and strange things happened one after another in the house. At Ben's suggestion, they installed cameras in every corner of the house to monitor what happened during the day and night. In front of the screen, a bizarre and creepy scene was staged quietly.