I agree the plot was 'meh.' I usually spend more time building one, but in this case it was kinda thrown together. I was creating the level (which took way longer than I anticipated) and trying to write a story at the same time. The phone in the house was unusable due to all the circuits being busy, and I didn't touch on that as much as I wanted. The funny thing about the windmill, is that I REALLY just wanted the player to climb it, and made it a story point.
Originally, I wanted the game to take place entirely in the van (Similar to Cujo.) This actually proved a lot harder to do, so I came up with the plot the game has now.