Twenty years ago, Jane Hudson fled the Heart Lake School for Girls in the Adirondacks after a terrible tragedy. The week before graduation, three lives were taken, all victims of suicide. Only Jane was left to carry the burden of a mystery that has stayed hidden for more than two decades. Now Jane has returned as a Latin teacher, recently separated and hoping to make a fresh start with her young daughter. But ominous messages from the past dredge up forgotten memories. And once again, young, troubled girls are beginning to die.