"There are only two reasons a non-seer would see a spirit on St. Mark's Eve," Neeve said. "Either you're his true love . . . or you killed him."Every year, Blue Sargent stands next to her clairvoyant mother as the soon-to-be dead walk past. Blue herself never sees them-not until this year, when a boy emerges from the dark and speaks directly to her. His name is Gansey, and Blue soon discovers that he is a rich student at Aglionby.