"Dark Sentinel" is a gripping science fiction novel by bestselling author Christine Feehan. The story follows Lorraine Peters, a woman who flees to the woods after the loss of her family in search of peace. Instead, she witnesses a brutal attack where Andor Katona, a centuries-old Carpathian monk, is assaulted by vampire hunters. Driven by an uncontrollable rage, Lorraine intervenes and recognizes Andor as her soulmate. However, their connection is not only telepathic; they must also confront a powerful vampire who has a personal vendetta. The narrative combines elements of suspense, romance, and supernatural conflict, offering readers a captivating read that immerses them in a world filled with danger and immortal bonds.