In an hour of observation at a local mental hospital, the young psychologist Abby Jones (Christine Evangelista) get mistakenly at a high risk patient, Harmon (Dominic Purcell). Returns home like any normal day without knowing what thoughts had awakened mysterious patient who meanwhile escapes, leaving behind death and head toward home young.
Meanwhile, Abby and fellow chamber Lynn (Carly Chaikin) receive a visit from Thomas (Scott Elrod), their neighbor cop, which advises lock their windows and windows in order to be safe from the storm aroused out . Girls learn up in the morning, when I fall asleep, being tired. They neither had imagined that they would be trapped by Harmon, decided to terrorize them, especially Abby.
The story is based on an actual event that took place in the town of one of the filmmakers, Alexandria, Louisiana.