Front door note

The front door note is a note addressed to Kaitlin Greenbriar from her younger sister Samantha regarding the empty house and Sam's disappearance. It is the first sign that something is amiss at the house on Arbor Hill. In the note, Sam urges Kaitlin not to try and find her, and to keep the disappearance a secret from everyone, including their mother and father.

Transcript
Katie,

''I'm sorry I can't be there to see you, but it is impossible. Please, please don't go digging around trying to find out where I am. I don't want Mom and Dad anyone to know.''

''We'll see each other again some day. Don't be worried. I love you.''

― Sam

Location
The note is found on the front porch, taped to the front door of the house.