Synopsis

In Camelot, Merlin leads a desperate undertaking: to restore the dagger to Excalibur, hoping to wield the legendary blade and rescue Emma from a encroaching darkness. Accompanied by Zelena, Hook, Mary Margaret, David, Regina, and Robin, he orchestrates a clandestine entry into Arthur’s castle, their objective the broken sword held by the volatile king. Simultaneously, Merlin guides Emma on a perilous journey to confront his ancient foe and reclaim the sacred spark necessary to reforged Excalibur