Sever is a psychological thriller that follows a young couple, Sarah and Tom, who move into a new house in a quiet suburban neighborhood. Unbeknownst to them, a violent patient named Rose has recently escaped from a nearby mental institution and is seeking revenge against Sarah.
Rose believes that Sarah is responsible for her incarceration and is determined to make her suffer. She begins stalking Sarah and Tom, leaving threatening messages and engaging in eerie, covert behavior. As the couple becomes more uneasy, they start to suspect that something is seriously wrong and begin to investigate.
Their investigation leads them to uncover Rose's past and the events that led to her institutionalization. They realize that she is not only after Sarah, but also after Tom for his unwitting involvement in her past trauma.
As the tension builds and the danger escalates, Sarah and Tom must fight to survive the wrath of a vengeful and unhinged killer. In a thrilling and suspenseful climax, they confront Rose in a final showdown that will leave audiences on the edge of their seats.
Overall, Sever is a chilling depiction of obsession, revenge, and the destructive power of unresolved trauma.