Can You Keep A Secret?

Seven letters.
Seven secrets.
Seven betrayals.

And four out of the seven letters got an answer

...Are dead.
Grayson and Riley have been best friends since they were five but in the last few years their friendship has been on the rocks. All because of a secret. One that not even Riley knows about. They've managed for the most part but all that changes when a mysterious diary appears in Graysons basement. Suddenly no one is safe. With all of there nerves at their widths end theyre bound to hit a breaking point. So what happens when secrets start leaking... population starts decreasing,And body counts start rising.
Its not just about her revenge.
Its not just about getting even.
The diary of Ava Grace is out for vengence. But why those seven? Why Grayson?
who the hell is Ava Grace?
With all of these questions being asked among my characters its my turn to pose you a question?
Can you keep a secret?