London Sweet finds out her older sister Katherine Sweet was murdered. Over the next few days, London finds weird things happening in her home. She hears voices, doors slamming, and things appearing at her front door with handwritten notes. It's all so crazy. She remembers the last thing the killer said to her after she figured out who did it. Caden Volkov was just a normal person who worked as a delivery driver. At least, that's what he wanted to be. He finds London, absolutely distraught at her home after delivering her a package, and once he sees her eyes, he has to help her. He helps London on her journey to figure out what's happening to her and her house. As feelings begin to take a turn, along with their journey, a chilling truth will be revealed, and they're not sure if they will be able to make it out.