This series follows Rose Hathaway, a Dhampir guardian-in-training, and her best friend Lissa Dragomir, a Moroi princess, as they navigate life at St. Vladimir's Academy. Together, they face the constant threat of the Strigoi, undead vampires who seek to destroy the Moroi bloodlines. Throughout the saga, Rose must balance her forbidden feelings for her mentor with her duty to protect Lissa from political intrigue and physical danger.