Board Thread:Spoilers!/@comment-25375217-20171001030631/@comment-26229833-20171206211459

Maybe Lucy "losing her belief" means that she loses faith in her mother, after Tremaine recalls the story (as she says in the promo, "Fairytales are real, but you don't know the whole story).

And I'm pretty sure, in classic OUAT fashion, they'll end the episode with Roni and Henry meeting Zelena!