A young teenager, Elissa, and her mother, Sarah, move into a new home in a quiet, upscale rural town. They soon learn that the house next door was the site of a gruesome double murder, where a young girl named Carrie-Anne supposedly killed her parents and disappeared. The only survivor and current resident of the house is Carrie-Anne's older brother, Ryan, who is shunned by the community but forms an unexpected and close relationship with Elissa. As they grow closer, they discover more about each other, leading Elissa to empathize with Ryan's troubled past.

Despite Sarah's increasing concern, Elissa continues to spend time with Ryan and learns that the truth about the murders is far more complex and disturbing than the local lore suggests. Mysterious and unsettling occurrences begin to unfold, revealing buried secrets and hidden dangers. Elissa's curiosity and determination to understand the mystery put her in considerable peril, and she must navigate a web of deception to uncover the truth while ensuring her safety. The events that follow escalate into a suspenseful climax, blending psychological thrills with chilling discoveries.