Plot summary
Elsa feels threatened by Charming and accidentally traps Emma with her inside an ice cave, with the frozen temperature placing Emma’s life in peril. Regina, depressed over her break-up with Robin Hood, secludes herself from the town and Henry. With the townspeople considering Mary Margaret their leader, she faces her first leadership task in trying to re-start a generator and restore the town’s electricity after Elsa unwittingly damages the power lines. Meanwhile, in the Enchanted Forest of the past, Anna tries to teach a meek David to fight Bo Peep, a warlord threatening to take David's home.
Credits
Adapted from Wikipedia contributors, Once Upon a Time season 4. HTML formatting and reference markers removed.