Plot summary
Snow, Charming, Hook, and Red work together to rescue Emma from Regina's prison cell. Snow is captured and seemingly burned at the stake by Regina, though she manages to escape. Emma and Hook eventually get Snow and Charming together and repair the timeline. Embracing Storybrooke as her home, Emma is able to regain her magic and reopen the time portal to return to the present, bringing Maid Marian to Storybrooke in the process and inadvertently throwing a wrench in Regina and Robin Hood's relationship. Unbeknownst to Emma and Hook, they have also brought with them a woman with ice powers.
Credits
Adapted from Wikipedia contributors, Once Upon a Time season 3. HTML formatting and reference markers removed.