A trigger is hit, so Storybrooke is at risk of being sucked up, and Regina makes a heroic sacrifice for Henry.
Emma and Henry bond by spying on Tamara, and Snow tends to a disguised Regina's wounds.
We meet Neal's fiancée Tamara and August, now fully wooden, struggles with his past misdeeds.
We go back to Storybrooke's beginnings, Snow grapples with her guilt and Henry plays with explosives.
Rose McGowan appears as a young Cora who falls for Rumpelstiltskin on her path to power.
Snow is reunited with Johanna, her maid from childhood, while Cora and Regina seek Rumpelstiltskin's dagger.
We flashback to Dr. Frankenstein in black-and-white, and an injured outsider has the townsfolk on edge.
Regina gets put through the ringer when she's framed for Archie's murder, and the Charmings are reunited.
Emma, Mulan and Snow are locked up by Cora and Hook; Rumpelstiltskin tries to seal up the well—Emma and Snow's portal home.
Ruby makes a self-discovery, Henry is having nightmares and King George assembles an angry mob.
In flasback we meet Lancelot, who poisons Snow, and Snow takes Emma to the palace home she never had.
Once Upon A Time returns for season two, showing us the implications of the broken curse and introducing Mulan.