Chapter 1:- The letter

While packing away my aunt's belongings at her lakeside cottage, I discovered this letter in a box of old party games…
February 13, 2004
To Whom It May Concern:
If you found this letter, it means I'm dead.
DEAD!
Plain and simple.
And if I'm dead it's not by natural causes, I can assure you. I'm writing in haste cause I know I don't got much time.
It’s after me!
What, you're asking. Well, I'll tell you.