25-year-old Thomas Neville suffers from monophobia, the fear of being alone, brought about by a childhood trauma. To treat his monophobia, Thomas and his psychiatrist, Dr. Ramon Medeiros, rent a home and begin exposure therapy. When a malevolent entity latches onto Thomas, Thomas must not only convince Dr. Medeiros that the entity is real but must also persuade Dr. Medeiros to help him expel the entity.

Teen siblings Cassie and Max find themselves home alone for the weekend after their parents leave town. Cassie hopes to invite her crush, Blake, over for a study date, while Max plans an intimate evening with his girlfriend, Sky. However, tensions rise when Blake doesn’t respond to Cassie’s texts, and Max taunts her about having no friends. Determined to prove him wrong, Cassie invites Oliver, a boy she previously ignored, to join the group. Cassie’s actions turn Max’s romantic plans into a chaotic double date, setting the stage for a night full of conflict and unexpected discoveries that might tear the family apart forever.

Reckless scientist Louis Slotin sacrifices his own life to save his colleagues during a criticality incident involving a plutonium core known as Rufus. While Slotin fights for his life against third-dimensional burns – his friends, colleagues, and family will stop at nothing to be at his side.