After the group returns to the Enchanted Forest after stopping Pan's curse, they meet the new threat that is out to get Regina while meeting a new group of people, who have secrets of their own, to help stop the Wicked Witch. A young girl in particular sparks Regina's interest.

When Storybrooke is threatened by Davy Jones and the terrifying kraken, Emma Swan and her allies quickly find themselves up to their necks in trouble - and water. In the desperate fight to save the town and everyone in it, it's Captain Hook who has the chance to be the hero, but at a terrible cost to himself, and it will be up to Emma to save him. (Captain Swan, post-4a)