It reveals that Rumplestiltskin was once capable of being loved and almost gave up his power for Cora.
Because the heart was "cursed" by the candle, returning it to Cora doesn't save her; it transfers Gold's impending death to her. Cora dies in Regina’s arms, briefly experiencing love for her daughter one last time before passing away.
The title refers to the classic fairy tale Rumpelstiltskin , where a miller's daughter must spin straw into gold.
In the present day, Cora and Regina are on the hunt for the Dark One’s dagger to control Mr. Gold, who is dying from a poisoned wound inflicted by Hook in New York.
Locked in a tower to prove her claim or face death, she is visited by . He offers to spin the gold in exchange for her firstborn child. However, Cora convinces him to teach her the magic instead. As they work together, they fall in love and plan to run away, changing their contract so the child will be theirs .