As the inhabitants of Storybrooke begin to remember their true identities, an angry mob seeks revenge on Regina. In the fairy tale world, Prince Phillip awakens a sleeping beauty only to face the threat of a soul-sucking wraith.
When Belle and Mr. Gold have a falling out, Rumpelstiltskin recalls the loss of his wife to a suave pirate. Meanwhile, Belle seeks a life of her own in Storybrooke.
While Regina struggles to regain her powers, the town panics over a discovery made by the Dwarves at the border of Storybrooke. In the fairy tale world a younger Regina meets a man who promises freedom from her domineering mother.
With help from her old friend Lancelot, Emma and Mary Margaret attempt to find a portal back to Storybrooke. Henry turns to Jefferson for help, while in the past Snow is caught in the middle of a cut-throat plan by Charming's father.
When she discovers that her dead fiance may be wandering the town, Regina remembers the day she met "Dr. Whale." Emma and her companions come upon a survivor of an apparent ogre attack, but suspects that he may not be telling the truth about who he is.
Emma and Captain Hook scale a giant beanstalk in search of a guide back to Storybrooke. In Emma's past, she meets a man who becomes both her lover and her partner in crime.
A vengeful Spencer threatens to destroy David's reputation in Storybrooke, while Ruby prepares for her first full moon since the curse was broken. In her past, Red encounters a group of people like her.
Snow and Emma find a way to communicate with the world of Storybrooke, not realizing they are putting both Henry and Aurora in danger in the process. Cora sends a group of undead after the compass, and David takes a personal risk to try and rescue his family.
Cora and Hook enact their plan to open a portal to Storybrooke, while on the other side Regina and Mr. Gold join forces to prevent anyone from coming through.
Suspicion is cast upon Regina when one of the townspeople is murdered. Cora and Hook arrive in Storybrooke under the cover of secrecy, and in the fairy tale world the deposed Queen's enemies debate whether or not to let her live.
Mr. Gold's plan to leave town in search of his son is interrupted when Hook arrives and threatens Belle's life. In the Enchanted Forest, Belle goes in search of a dangerous creature and finds help from Mulan.
The town's people debate what to do when an injured stranger arrives in town, with the potential to expose them to the outside world. Dr. Whale has problems of his own, while in the fairy tale world Victor Frankenstein finds himself in need of new funding for his experiments.
David and Snow find a giant who Cora brought to Storybrooke, and who mistakes David for someone who has wronged him. Meanwhile, Mr. Gold, Emma, and Henry leave the town in search of Gold's son.
Mr. Gold, Emma, and Henry arrive in New York in search of his long-lost son, putting Emma face-to-face with someone from her past. Regina and Hook search for a secret weapon, and in the fairy tale world Rumpelstiltskin is conscripted to fight in the Ogres War.
Reunited with a woman from her childhood, Snow recalls her attempt to save her mother from a mysterious illness. Mary Margaret learns of Cora and Regina's search for Rumpelstiltskin's dagger, and Hook goes to New York in search of the "Crocodile."
As Cora plots to take Rumpelstiltskin's power for her own, Mary Margaret must decide whether to eliminate one evil in order to save another. In the fairy tale world, a young Cora takes advantage of a deal with the Dark One to leap from poverty to royalty.
Thirty years in the past the Evil Queen basks in her curse's success, but soon finds a father and son who have wandered into Storybrooke after it suddenly appeared near their camp site. In the present day, Regina plots to take revenge on Mary Margaret, and Henry takes matters into his own hands.
Mary Margaret discovers a completely wooden August living alone in the woods, and hopes to help him find redemption. Neal brings his fiancée to Storybrooke, and Regina figures out the identity of the stranger.
Mr. Gold determines to help Belle remember who she is, but his plan suffers from Regina's interference. In the fairy tale world, Belle tries to stop Rumpelstiltskin from seeking revenge on a thief.
After learning that the others might leave her behind, Regina manipulates Hook to hatch a plan to return to the Enchanted Forest and destroy Storybrooke. In the past, the Queen disguises herself to go amongst the peasants and undermine Snow White.
An increasingly suspicious Emma tries to uncover Tamara's true agenda, while David and Mary Margaret try to find Regina -- who is being tortured for information by her captor. In the past, Bae finds himself living in the London home of Wendy Darling.
The people of Storybrooke prepare for the worst when Tamara and Greg attempt to obliterate the town with Regina's crystal. In Neverland, Hook protects young Bae from the pursuit of the Lost Ones.