Hannah is in middle school and she has friends that she thought were friendly. Hannah finds out that her friends are mean to one girl in particular. Hannahs friends did horrible things to Abigail. Poor Abigail ended up taking her own life, because she couldn't deal with all the messed up things that Hannah's friends were doing to her. Abigails mother summoned Abigail because she wanted to be with her daughter Abigail. But when Abigail came back she didn't have plans to spend time with her mother. Abigail came back for revenge she wanted to kill everyone that was mean and cruel to her. So read the book to find out who Abigail kills.