Premise: Bath Salt Zombies is a 2013 American horror comedy directed by Dustin Mills, written by Mills and Clint Weller, and starring Josh Eal, Ethan Holey, Jackie McKown, Dave Parker, and Brandon Salkil. It is about zombie attacks brought on by concentrated bath salts.
Hypothesis: Bath Salts Zombies makes fun of a real life problem of people getting high on bath salts and thinking they are zombies.