A group of refugees arrive in Storybrooke from the Land of Untold Stories; Emma suffers from a strange side effect.
Dr Jekyll finds his serum under threat from the Evil Queen; Snow returns to her beloved career.
Aladdin recalls Princess Jasmine's recovery of a secret weapon that could release Jafar's hold on the Sultan and save the city; in Storybrooke, the evil queen tricks Hook in her attempt to unsettle the family.