That ending hewed a little closer to that of the King novel and 1989 film adaptation, as a clip provided by EW shows Louis actually burying his wife in the infamous, titular cemetery.
However, that’s not what writers Matt Greenberg and Jeff Buhler had in their original script for Pet Sematary.
With his daughter by his side, he promises to love her forever, knowing full well what he’s about to do is going to make him regret ever saying that in the first place.