Cynthia possesses the ability to enter another person's traumatic memories to help heal them, working as a therapist who confronts patients' horrors directly. Jordan, her daughter, has inherited similar psychic abilities and is shown to practice hypnosis and eventually masters supernatural skills to invade the creature's mind and help defeat it.

Riley Harris is a young girl possessed by a parasitic supernatural entity that feeds on her and others. She seeks Cynthia's help to get rid of the demon-like creature attached to her. Riley's father, Randall, is hostile and believes she is beyond saving, resorting to extreme measures to stop the entity from spreading.

Randall is a short-tempered and troubled man who refuses outside help for Riley. He kidnaps Jordan and buries her alive in an attempt to starve the creature inside her, sacrificing Jordan to break the cycle of the entity's feeding. His actions stem from losing his wife and daughter to the monster and his desire to end the threat at any cost.

Cynthia enters Jordan's mind and revisits traumatic memories, including the attic where her father died, to confront the demon. Although Cynthia initially tries to destroy the creature from within, it is ultimately Jordan who conquers her fears and helps kill the demon by invading its mind alongside her mother, symbolizing their shared trauma and closure.

Jordan's father, Daniel, was also a psychic who died by suicide after confronting a powerful paranormal presence. This traumatic event deeply affects Cynthia and Jordan, influencing their psychic abilities and their struggle against the entity. The story culminates in them facing this trauma together in the attic, which is key to overcoming the demon and finding closure.