Regina and Zelena come to terms with their newfound sisterhood, while Emma sees a vision and Mr. Gold visits Belle in a dream.

Ashley is intent on settling unfinished business with her step-family; Regina tries to bribe Mr. Hyde for information on how to beat the Evil Queen; David makes a deal with Gold for information about his father.

The Evil Queen seeks to get her hands on Dr. Jekyll's serum. Snow has her first day back as a school teacher. Hook tries to save Belle from Mr. Gold.

In a flashback, Aladdin helps Princess Jasmine recover a secret weapon that could release Jafar's hold on the Sultan and save the city; in Storybrooke, the evil queen tricks Hook and tries to divide the family.

Snow White and Charming need to give up their hearts if they want to save Storybrooke from the Evil Queen. A magical sapling is sought. Snow White tries to get away from the Woodcutter. David has plans to sell the family farm.

In the Enchanted Forest, Rumplestiltskin steals Jack and Jill's newborn child in order to contact a powerful fairy, while in Storybrooke he uses fast-aging magic to send a message to Belle regarding their son. Meanwhile, The Evil Queen attempts to kill Zelena to earn Gold's favor and Jasmine discovers a magical lamp.

The Evil Queen sends Emma back to the Enchanted Forest and Regina must remind her of who she is. Belle and Rumplestiltskin try to figure out where their son is and David makes a wish that comes with a price.

Emma and Regina try to figure out a way to get out of the Enchanted Forest. Hook and David try to find Gideon.

Hook agrees to help David uncover the truth about his father, hoping to gain his respect; Regina discovers Robin has a dark side that may complicate his acclimation to life in Storybrooke.

Mr. Gold attempts to help Gideon avoid the taint of dark magic, Emma learns that Hook is keeping a secret from her, and Zelena and Robin make a dangerous duo.

Hook finds himself trapped in another realm and races to get back to Emma; Regina and Snow try to take Emma's mind off from Hook's disappearance; Jasmine befriends Ariel.

Emma agrees to help Gideon in order to bring Hook back. Meanwhile, Henry's author powers have a new development, and more of Gideon's past is revealed.

Regina works to break Snow and Charming's sleeping curse, while in flashbacks, we see how much the couple gave up for Emma to fulfill her destiny. Hook finds an unexpected ally in Neverland.

After the Black Fairy threatens her baby, Zelena decides to put a stop to her, once and for all.

The Black Fairy's past is revealed as we learn the real reason she gave Rumple up. Meanwhile, Gold goes after Gideon's heart.

In flashback, Snow makes a wish that causes everyone to burst into song, infuriating the Evil Queen. In Storybrooke, this wish comes back into play as Emma and Hook prepare for their wedding, and the Black Fairy announces her plans.

Snow, Charming, Regina, Zelena and Hook are trapped in a crumbling Fairy Tale Land and desperately try to figure out a way to be reunited with Emma and Henry.