One wrong text. One vengeful shadow. One race against time.Teen sleuth Justin Macdonald is used to uncovering secrets, but now he's the one being watched. What starts as eerie, blank late-night texts quickly spirals into high-stakes sabotage. From slashed tires to life-threatening arson, a mysterious figure in a grey hoodie is dismantling Justin's life piece by piece. Is his old enemy Arthur Appleton back for blood, or is a deadlier mastermind pulling the strings? As the threats turn from property damage to cold-blooded murder, Justin must solve his most personal case yet—before he becomes the final chapter.