Mark and Andy return to Cavendish for the first time since childhood to care for their ailing father who runs The Museum of the Strange and Fantastic. They quickly find out that Cavendish is not like other towns, and while the brothers become embroiled in creepy misadventures, they soon realize their family dynamic hasn’t changed much since they were kids.

Clark Thompson, a midlevel tech-support employee, finds love with co-worker Amily Luck at exactly the same time he becomes the unwitting messenger of God. Also, there's rollerskating, a lake of fire and an impending apocalypse.