Mr. Gold finds an unwilling test subject to see if a spell he has concocted will allow him to cross the border of Storybrooke -- without losing his memory -- and go in search of his son, Bae; Belle stumbles upon a vengeful Hook in the Storybrooke harbor whose main goal is to eradicate Rumplestiltskin; and Mary Margaret and David go house hunting in search of a bigger place to live. Meanwhile, in the fairytale land that was, Belle meets Mulan as the two set out to slay a fearsome beast called the Yaoguai, who has been ravaging the land.

Kidnapped and brought to Storybrooke by Cora, the Giant unleashes his vengeance on the town when a case of mistaken identity leads him to try and settle an old score with David; Mr. Gold, accompanied by Emma and Henry, attempts to depart Storybrooke - hoping to keep his memory intact when he crosses the town line -- and heads to the airport in search of his son Bae; and Greg questions Belle as to what she saw on the night of his car accident. Meanwhile, in the fairytale land that was and against his brothers' wishes, Anton, the Giant, climbs down the beanstalk and attempts to befriend some humans - whose intentions may not be so noble.