Linda plans a surprise slumber party for Louise, much to her dismay; Louise tries to make the girls go home; Linda becomes infatuated some raccoons that are getting into the restaurant's dumpster.

Louise skeptically joins Jessica and fifth-grader Megan in their search for Wharfy, a mythical sea monster, while Bob takes an online master class by a world-renowned chef.

Louise suspects there's something sinister afoot during a Halloween field trip to an apple orchard. Meanwhile, Tina and Gene hope to win the school costume parade.