A royal ball is held in Camelot, but a dark turn of events forces David and Robin to take action. Meanwhile, Regina's fortitude is tested as she tries to safeguard Emma; and back in Storybrooke, Hook attempts to bring ...
Emma Swan's world is turned upside down when the son she gave up 10 years ago knocks on her door. Holding a book of fairy tales he claims are real, he tells her that she is not only in the book but that she is the only hope of freeing a town called Storybrooke from an evil curse.
Gold and Regina play dirty politics and take opposite sides when Emma runs against Sidney for Sheriff, as flashbacks show Rumplestiltskin desperately try to find a way to save his son from being enlisted into war.
Emma tries to save two children from foster care by trying to find their birth father, as flashbacks show the Evil Queen coercing Hansel and Gretel into stealing an important artifact from a blind witch.
Regina's plan for Mary Margaret is thwarted following Kathryn's sudden re-appearance and Gold becomes wary of August, as flashbacks show what happened to Baelfire after Rumplestiltskin became the Dark One.