In the town of Mystic Falls, Cassie, a young siphoner witch, uncovers her connection to an ancient coven. Haunted by a tragic past, she must unravel her ancestors' secrets and discover how her destiny is intertwined with her cousin's. But when she meets an enigmatic original vampire, loyalties are tested and sides must be chosen. Is blood really thicker than water? Or is Cassie destined to ruin the ones she loves most?