After making it past their first major obstacle, ZOR and Dusty go deeper into the Undersink, only to find another soul lost in the belly of muck-a stern Army figure known as Sarge. Lady Hourglass is finally revealed, and she commands her Fly Generals to dispose of ZOR's team. In the outside world, Rainn calls the one place that could make the entire Undersink come crashing down: the Plumber.