As Hook and Cora arrive in Storybrooke, Regina struggles to gain the trust of the town, as flashbacks show Snow and Charming disagree over how to handle Regina now that they have taken over the kingdom.
Emma is shocked when she learns the true identity of Gold's son, as flashbacks show when Rumplestiltskin was called to war. Back in Storybrooke, Regina, Cora and Hook search for Rumplestiltskin's dagger.
Mary Margaret is tempted by dark magic and David, Emma and Neal attempt to protect Gold from Regina and Cora, as flashbacks show a young Cora seek revenge against the royal family after they degrade her in public.
Tension runs high as Hook's ship sets sail for Neverland to rescue Henry, Neal travels to Rumplestiltskin's castle with Mulan, and Henry finds himself on the run from the Lost Boys after Greg and Tamara are ambushed.
Emma meets Peter Pan, who gives her a map that will reveal Henry's whereabouts as soon as she accepts her true identity, while flashbacks show the Evil Queen present Snow with an offer, which Charming does not want her to take.
Mary Margaret, Emma, David and Hook attempt to rescue Neal and Gold and Regina begrudgingly agree to work together to take down Pan, as flashbacks show Snow White help Ariel get acquainted with Prince Eric.
As Pan leads Henry to a cave where he plans on stealing his heart to gain immortality, Emma and the others race to save him, as flashbacks show when a young Rumplestiltskin was given a magical item that could help him make a fresh start with his father.
As Hook's ship returns to Storybrooke, a well-hidden Pan puts a new plan into motion, while flashbacks show Snow and Charming go in search of a mythical being that could stop the Evil Queen cold in her tracks.