Maybe Bae ran away to war after his dad turned evil and in this ep we’ll see him returning home and how messed up their relationship had become? (Imagine if that did happen, Bae fought in the war and survived, so Rumple was stuck with this curse he never really needed to acquire in the first place, and now his son hates him. That would kinda suck.)
And/or maybe Kathryn (and/or SBFrederick) pops up again?
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