After a sudden family tragedy, three generations of the Deetz family return home to Winter River. Still haunted by Beetlejuice, Lydia's life is turned upside down when her rebellious teenage daughter, Astrid, discovers a mysterious model of the town in the attic and a portal to the Otherworld is accidentally opened. With trouble brewing in both worlds, it's only a matter of time until someone says Beetlejuice's name three times and the mischievous demon returns to cause his own brand of chaos.