We don't know exactly what Emma and Elsa are up to but we're fairly certain they aren't sunbathing on a beach in Storybrooke.
Added:
In their search for Anna, what do Elsa and Emma see in the sky? In Storybrooke it could be almost anything.
Added:
Emma and Elsa use a locator spell to try and find Anna on Once Upon a Time. "Fall" is the tenth episode of the show's fourth season.
Added:
Sean Maguire as Robin Hood and Lana Parrilla as Regina in Once Upon A Time.
Added:
And if Anna and Elsa band together with Emma, perhaps they can stop the Snow Queen's evil plan and smash the mirror.
Added:
Tearing this sisters apart may end up being a lot harder than the Snow Queen anticipated.
Added:
The good news for Anna is that Elsa brought the key. Being the queen of Arendelle has its privileges.
Added:
It appears that Elsa has found Anna but will she believe that Aunt Ingrid is the one to be feared.
Added:

Once Upon a Time Quotes

The queen may be evil but I'm wicked and wicked always wins.

Wicked Witch

True love isn't easy but it must be fought for because once you find it, it can never be replaced.

Prince Charming