Immediately after becoming the Dark One, Emma disappears and the heroes must band together to save her, but first they have to find her, which will require the help of an unlikely ally. Meanwhile, in the Enchanted Forest, Emma struggles to resist her dark urges as she searches for Merlin in the hope that he can stop her transformation. Along the way to Camelot, she gets help from the plucky and brave warrior princess Merida, as well as King Arthur and his Knights of the Round Table.
(thetvdb.com)

Pas encore regardé pour ma part ;)

Mais ici, effectivement, le coup de la mémoire uniquement pour pouvoir travailler sur les deux mondes en parallèle. J'aurais préféré suivre l'affaire en direct !