I bought my new house not long ago, and ever since, I keep hearing the same thing every night: three taps on a window. Who in Tartarus is doing that?

This is my first attempt at horror, and something I decided to cook up for Halloween. Please enjoy and constructive criticism is welcome.

UPDATE: NOVEMBER 3, 2023

I have completed my rewrite of this story, and added it as a new chapter for all of you to read.