Regina continues to seek a way to regain her powers; David continues his quest to find Mary Margaret and Emma; the seven dwarves discover what happens when one of the townspeople tries to leave Storybrooke's city limits.
Emma and Mary Margaret try to find a portal that would bring them back to Storybrooke; Henry tries to talk Jefferson into reuniting with his daughter; on the eve of meeting Prince Charming's mother, King George poisons Snow White.
As Regina tries to refrain from using her magic in order to regain Henry's trust, she starts seeing a ghost from her past; Mary Margaret and Emma find a survivor from an Ogre massacre; Regina struggles to learn the dark arts.
Cora brings the giant to Storybrooke, where he unleashes vengeance on the town; Emma and Henry go with Mr. Gold to search for his son; Greg asks Belle what she saw on the night of his accident; Anton the Giant befriends humans.
When Mary Margaret learns of Cora and Regina's plan for the dagger, she resolves to find it first; Mr. Gold continues his search for Bae; the Blue Fairy offers Snow White an enchantment to save her mother.
Hook helps Regina with a plan to transport her and Henry back to Fairytale land; Emma grows increasingly suspicious of Tamara; the queen asks Rumpelstiltskin to transform her so that she can kill Snow White.