Delia can't stop reading the old diary she's found.  She's becoming more and more like the girl whose words she reads - seeing the world through her eyes - even having her memories.  Soon she believes she was the girl who wrote the diary - in a past life.
So does her killer.
The terror is alive once more.  For the girl who wrote the diary was murdered.  And whoever killed her the first time  . . . is after her again.