Emma captures the Snow Queen and interrogates her at the sheriff's station. But the Snow Queen uses her prior knowledge of Emma to try to persuade her into thinking that they are more alike than she could possibly imagine. Regina and Robin Hood's relationship grows increasingly complex as they struggle to find a way to save his dying wife, Emma begins to see what she missed out on by not growing up and being a family with Snow and Charming when she sees how involved Mary Margaret is in baby Neal's life, and Henry begins his after school job in Gold's shop while trying to help Regina find a clue to the identity of the author of the storybook. Meanwhile, in Arendelle of the past, we learn about the origin of the Snow Queen and her familial connection to Elsa and Anna as we see her discover her spectacular yet deadly ice powers.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Ingrid's origins in Arendelle is revealed, where her close relationship with her sisters Helga and Gerda take a tragic turn after they seek out Rumplestiltskin's help to control her magic, leading to Ingrid accidentally killing Helga, and Gerda in turn trapping Ingrid in the urn. Gerda visits Grand Pabbie and asks him to make Arendelle forget about the existence of Ingrid and Helga. In the present, Ingrid allows Emma to capture her, but uses a ploy to make Emma's magic go awry, causing Emma to run away for fear of hurting her loved ones. Later, Regina continues to reject Robin Hood's offer to restart their romance, but ends up giving in to her desire. Meanwhile, Ingrid makes a deal with Gold to return her ribbons, in exchange for the secret to the missing ingredient that Gold needs to free himself from the dagger.