Emma's life turns upside down when she is visited by Henry, the 10-year-old child she long ago gave up for adoption; Emma brings Henry back to his foster mother in a strange town called Storybrooke.

As Sheriff Graham deputizes Emma, the ground shakes and a giant sinkhole mysteriously appears at the edge of town. But a curious Henry’s life is placed in danger when he decides to explore the innards of the sinkhole to see if its contents can link the inhabitants of Storybrooke to the fairytale world. Meanwhile, back in the fairytale world, Jiminy Cricket yearns to leave the family business and transform into the person he wants to be.

Unlikely allies Mary Margaret and Leroy team together for a good cause to help the Storybrooke nuns sell their candles during the town's Miner's Day festival. But Leroy makes a promise to a nun, Astrid, that he may not be able to keep; and Emma looks into the mysterious disappearance of David's wife, Kathryn. Meanwhile, in the fairytale land that was, Grumpy finds forbidden love with beautiful but clumsy fairy Nova.

Mr. Gold attempts to uncover the true identity of August, Emma confronts Regina about her involvement in Kathryn's disappearance, and David tries to apologize and reconcile with Mary Margaret. Meanwhile, in the fairytale land that was, Rumplestiltskin agrees to comply and do whatever it takes if his son can find a way for him to safely give up his powers and turn back into the loving man he used to be.

August tells Emma how to beat Regina and how she can get custody of Henry, while Regina hatches a plot to seduce David now that Mary Margaret is back at work. In the fairy-tale world, a plan to save Snow White and Prince Charming’s daughter unfolds and is agreed to by Geppetto, who has his own child’s safety in mind.

Henry pleads with Emma to stay in Storybrooke and continue her quest as the savior of the fairytale dwellers, and Regina concocts a plan that could rid her of Emma forever. Meanwhile, back in the fairytale land that was, Snow White enlists the aid of her fellow fairytale cohorts to attack the Evil Queen and save Prince Charming's life.

Emma and Regina team together in order to find a way to save Henry's life. Meanwhile, in the fairytale land that was, Prince Charming attempts to escape from the Evil Queen's clutches in order to reunite with Snow White who, unbeknownst to him, has already taken a bite of the Queen's poison apple.

As fairytale characters awaken from Queen Regina's curse, they are not transported back to their home; Prince Phillip and his traveling companion realize they will be facing a deadly foe.

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.

Ruby's fear about turning into a wolf is confirmed when she becomes the prime suspect for a vicious murder; Leroy finds treasure in a Storybrooke mine that could help Emma and Mary Margaret.

When Regina is accused of murdering a beloved fairy-tale character, Emma thinks she is innocent; Prince Charming and Snow White plan the evil queen's execution.

Mr. Gold tries to use an unwilling test subject to see if his spell works; Belle runs into vengeful Capt. Hook; David and Mary Margaret look for a bigger house.

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.

While off on her own to deal with what happened with Cora, Mary Margaret comes across an entirely wooden August; Neal invites his fiancee to Storybrooke.

Mary Margaret, David and Emma embark on a search when Regina and some magic beans go missing; Mr. Gold considers revealing the truth to Lacey; Bae winds up in 19th century London.

In their continuing quest to find Peter Pan's hideout and save Henry, Hook suggests tracking down Tinker Bell in the hope that she will lead them straight to his camp. Pan reveals to Henry why he has brought him to Neverland and in the Enchanted Forest, Neal has a plan that could transport him to Emma, but it would involve using one of Robin Hood's most precious possessions. Meanwhile, in the Fairy Tale Land that was, Tinker Bell offers to help Regina improve her life.

Mr. Gold and Regina send Ariel back to Storybrooke with an item that will allow Belle to locate a hidden artifact that could help take down Pan. But unbeknownst to them, two men have broken into the town with the intent to stop them - at all costs. Meanwhile, Emma, Neal and Hook attempt to find Dark Hollow, where Peter Pan's shadow dwells, in order to capture it, and Mary Margaret is upset with David for keeping his poisoning a secret from her.

Pan's plan threatens the citizens of Storybrooke's joy over Henry's return; Snow and Charming spend their honeymoon searching for a mythical being that could stop Regina.

The residents of Storybrooke race to stop Pan from placing another curse on the town.

With Rumplestiltskin as her slave, Zelena challenges Regina to a fight to the death and shocks the Evil queen with the reveal of their familial connection, and the town lays Neal to rest. Meanwhile, back in the past in the land of Oz, a jealous Zelena asks the Wizard to send her to Fairy Tale Land after discovering that she has a sister, Regina, and that Rumplestiltskin is training her to become a powerful force to be reckoned with.

Hook and Emma try to find their way back to the present and correct the mistakes they made in the past.

The Snow Queen attempts to pit Anna and Elsa against each other; with her powers out of control, Emma seeks assistance from Gold; Regina's quest takes a surprising turn.

With Gold banished from town, the residents of Storybrooke attempt to resume their normal lives. Hook and Belle search for a way to release the fairies from the Sorcerer’s hat, while Emma, Henry and Regina continue to look for clues that could lead them to the Author. But when a terrifying darkness descends on the town, Emma and Regina are forced to confront the true nature of evil. Meanwhile, in New York, Gold and Ursula enlist Cruella De Vil to join their cause.

Hook tells Emma that her fate is at stake in Gold’s plan while Regina leads the villains on a wild goose chase. Henry makes a breakthrough in his search to find the Author, but Mary Margaret and David need a moment to reconsider the best course of action. In a Fairy Tale Land flashback, Snow and Charming search for a way to ensure their child will grow-up to be a hero. When a traveling peddler directs them to visit a kindly old hermit, Snow and Charming are presented with a choice that could secure their child’s goodness, but at a price that will haunt them for years to come.

The Author proves to be a formidable wild card and forges an alliance with Gold. Emma, her parents, Hook and Regina scramble to stop them, but when Gold and the Author turn the tables on heroes and villains alike, the prospect of any happy outcome appears worlds away. Henry discovers he has big shoes to fill as he steps up to save his family before the story’s final page is turned. It’s a race to the finish, and everything culminates with a shocking twist that will leave the residents of Storybrooke reeling.

Immediately after becoming the Dark One, Emma disappears and the heroes must band together to save her, but first they have to find her, which will require the help of an unlikely ally. Meanwhile, in the Enchanted Forest, Emma struggles to resist her dark urges as she searches for Merlin in the hope that he can stop her transformation. Along the way to Camelot, she gets help from the plucky and brave warrior princess Merida, as well as King Arthur and his Knights of the Round Table.

Emma, Snow, David, Regina, Robin, Henry and Hook continue to search for a way to free everyone from the Underworld. At the mercy of Hades, Gold creates a portal to Storybrooke, which transports Belle, Zelena and Baby Hood to the Underworld. While Zelena and Regina get into a sibling squabble, Belle is reunited with Rumple only to learn some tremendously shocking news that will change her life forever. Meanwhile, Snow and David hopelessly attempt to send a message from the Underworld to their son, Neal. In flashbacks, Hades learns about Zelena’s very special spell and pays her a visit in Oz with the intention of striking an alliance, but finds himself with more than just a partner in crime.

In Storybrooke, the Evil Queen threatens to destroy the town and everyone in it unless Snow and David surrender their hearts. As Emma, Hook, and Henry prepare to defend Storybrooke, Snow, David, and Regina search for a magical sapling created by the first spark of true love.

Gold tells the Evil Queen she must kill Zelena, and the Queen makes a decision that will change her relationship with her sister forever. When Belle discovers Gold's plans for their son, she convinces Hook and Emma to help her steal squid ink that can immobilize him. Meanwhile, Jasmine finds a genie-less lamp that she hopes to use to save Agrabah.

When she learns the heroes possess a weapon capable of defeating her, the Evil Queen steals Aladdin's magic lamp from Jasmine and makes a wish that could sideline the Savior forever. Unwilling to wake Snow while Emma is missing, David works with Hook and Henry to hold the Evil Queen at bay in Storybrooke.

When Gideon resumes his mission to kill Emma and become the Savior, Gold steps in to ensure that the use of dark magic does not poison his son. Meanwhile, Robin proves willing to ally himself with anyone offering the possibility of escape from Regina and Storybrooke. Hook gathers the courage to come clean to Emma, but not before she discovers he's been keeping a secret.

Zelena decides to take on the Black Fairy and put a stop to her, once and for all, against Regina's wishes, and the Charmings disagree over Emma and Hook's wedding plans.

After Rumple's mother learns from his fairy godmother that his destiny is prophesized, she does everything in her power to keep it from happening. Meanwhile, in Storybrooke, Rumple faces a similar delimma.

In flashback, Snow and Charming make a special wish that Emma will be protected. The result of their wish has the whole kingdom bursting into song which infuriates the Evil Queen. Meanwhile in Storybrooke, the Black Fairy announces her plans to unleash another curse on the town while Emma and Hook prepare for their wedding.

Wish Rumple’s evil plan is revealed and Regina realizes the only hope to stop him is by turning Wish Henry from his path for vengeance. Meanwhile, Tilly and Margot try to get help in Storybrooke. With his hope of ever being reunited with Belle fading, Weaver struggles to find a way to defeat his evil alter ego; and when Rogers’ life is threatened, he is faced with the ultimate sacrifice. Series Finale.