After an unexpected family tragedy, three generations of the Deetz family return to Winter River. Lydia’s life, still haunted by Bitelchús, is turned upside down when her rebellious teenage daughter, Astrid, discovers the mysterious model of the city in the attic and the portal to the Beyond accidentally opens. With trouble brewing in both realms, it’s only a matter of time before someone calls Bitelchus’ name three times and the mischievous demon returns to unleash his own mayhem.