1 [intransitive and transitive]
if a story unfolds, or if someone unfolds it, it is told:
As the story unfolds, we learn more about Max's childhood.
if a series of events unfold, they happen:
He had watched the drama unfold from a nearby ship.
3 [intransitive and transitive]
if you unfold something that was folded, or if it unfolds, it opens out:
He unfolded the map.