If ever there was a more accurately named film than "Abominable", then I would be very surprised.
Matt McCoy ( who played Commandant Lassard's nephew in the Police Academy films after Steve Guttenberg had enough... and seriously, what does it say about your film when even Guttenberg says "no" ? ) returns to his home in the woods for the first time after a tumble off the perhaps foreshadowingly named "suicide peak", left his wife dead and him confined to wheelchair. From there, the film enters what could only be described as Rear Window meets Harry and the Hendersons territory, when Bigfoot shows up and starts murdering the nubile co-eds that have naturally moved in next door... all as poor Matt looks on.
The shower scene is a nice momentary distraction, but the last time I saw a moon that pale and voluminous, the Wolfman was howling below it.