When Hook and Emma return from the past, they unknowingly bring back a powerful winter sorceress, Elsa, bent on finding her sister and the one who first trapped her. Amidst the desperation and dealing, Emma is confronted with the origin of her magic and Gold is faced with the most difficult choice in his life. Season 4 AU

Will's heart was gone. Completely absent from his chest. But when he looked at Ana, he could still feel the echo of it singing with love. He could still feel the twisting and aching of something that wasn't there.