After mistaking him for a masked killer, Jonathan fatally stabbed his sister's boyfriend on Halloween. One year later to the day, the siblings find themselves fighting for their lives against a very familiar masked murderer.

A famous heart surgeon finds out that a medical research foundation is being used for shady and illegal purposes.

A wealthy Manhattan couple celebrates their first year anniversary at a secluded Airbnb, only to realize they are being secretly video taped. But why?