The students at the prestigious Cross Academy live between two worlds - the human Day Class and the vampire Night Class! Human Yuki Cross serves as a Guardian protecting the classes from each other, while her friend Zero has just transferred to the Night Class, doomed to a life of bloodlust as a newborn vampire! After being sent on his first mission as an official vampire hunter, Zero must now face the mysterious appearance of Maria, a new student at the school who looks all too similar to the vampire who turned him! But as Zero starts descending into a terrible madness, Maria offers Yuki a choice - surrender her powerful blood or watch her friend slip into sanity... Can Yuki find a way to save Zero? Find out in the third exciting volume of Vampire Knight!