the stalker, But why?

the stalker goes about lizz, lizz beth Cooper. she has a stalker for a while and tries to be a 'normal' teenager. so she has a normal life, and her 2th life. the life were she tries to figure out who her stalker is.

but she get asked for a summer-trip whit her friends. and she decided to tell someone. but she don't know exactly who, and how? because if the stalker would know that she's gonna tell it, HE WILL KILL HER.

or that's what stood in one of his texts...

will she have a happy ending?
or is this the last thing you have heard from her?