Maisy works out a deal to reclassify her property as a farmhouse, which will allow her to demo it without the Boathouse council's permission. Justin is about ready to fold on his plan until Gil angles to strike a deal with him, all while Justin's on his first date with Riley. As Billie and Killian get closer, she discovers Killian is anti-reno and they devise a plan to shut Maisy down.

While the adults are at the Boathouse euchre tournament, Billie, Killian, and the Quads decide to pass the rainy afternoon with a Ouija board. Things get weird quick with the disappearance of Olive and the appearance of crossbow-wielding cultists. With a serious lack of common sense among the remaining Quads, it's down to Billie's horror movie knowledge to get the teens through this nightmare.