When Emma and Reagan return from the past after rewriting their parents' stories, they brought back Storybrooke's next problem.
Marian is back ruining Regina's chance at a happy ending with Robin Hood. Storybrooke is at the mercy of The Snow Queen, and some people start to think that it's time for the villains to get their happy endings.
Meanwhile, Reagan, Serenity, and their partners are trying to lead a "normal" life through all of Storybrooke's problems. Will Reagan and Aaron be able to leave town for college? Will Serenity be able to pursue her newfound dream? Will Elphaba find her place in Storybrooke? And what happens when a dark secret comes to the surface that will make everyone rethink what they thought of one of The Saviors.
(Season Fourof OUAT) ALL RIGHTS GO TO EDDIE & ADAM, ABC, DISNEY, GREGORY MAGUIRE, WICKED THE MUSICAL, ETC. I DO NOT OWN ANYTHING BUT THE CHARACTERS OF REAGAN AND SERENITY MILLS, AARON LOCKSLEY, ANYTHING NEW FOR ELPHABA THROPP, AND ANY NEW STORYLINES I ADD TO THE ONCE UPON A TIME UNIVERSE.