Cassie thinks she has finally found the perfect boyfriend—kind, charming, and exactly what she’s been looking for—but her happiness is shaken by the constant presence of his ex-girlfriend. What begins as mild discomfort slowly turns into fear as the ex refuses to stay in the past, appearing unexpectedly and leaving Cassie with a growing sense of unease. As secrets begin to surface, Cassie realizes that nothing about her relationship is as simple as it seems. With every chapter, the tension builds and the truth becomes darker and more dangerous than she ever imagined. Packed with shocking twists, psychological tension, and a fast-paced narrative, The Ex keeps readers hooked until the final page, making it a perfect pick for fans of gripping, unpredictable thrillers.