The thriller, which plays out in real time, follows a single afternoon in the life of an elementary school teacher as she organizes a mixer of like-minded women. When the group heads home, the teacher encounters a woman from her past, leading to a volatile chain of events.

In Los Alamos, New Mexico, the twelve year-old Owen is a lonely and outcast boy bullied in school by Kenny and two other classroom mates; at home, Owen dreams on revenging the trio of bullies. He befriends his twelve-year-old next door neighbor Abby that only appears during the night in the playground of their building. Meanwhile, Abby's father is a wanted serial-killer that drains the blood of his victims to supply Abby, who is actually an ancient vampire. Abby advises Owen to react to Kenny...