4x03 Emma Hook, 3

ELSA IS BLAMED FOR CASTING AN ICY SPELL ON MARIAN WHICH COULD ULTIMATELY KILL HER, EMMA AND DAVID CATCH FORMER MERRY MEN MEMBER WILL SCARLET RUMMAGING THROUGH ROBIN HOOD S TENT, AND IN ARENDELLE OF THE PAST, ELSA AND KRISTOFF MUST STOP HANS FROM ATTEMPTING TO TAKE CONTROL OF THE KINGDOM, ON ABC S ONCE UPON A TIME Elizabeth Mitchell ( Lost, Revolution ) Guest Stars as the Snow Queen Rocky Road When an icy spell is cast on Marian, which will ultimately freeze her heart and kill her, the Storybrook