Natsu and Gray go on a mission together. When they take longer than expected, Erza, Lucy and Wendy check up on them. When they return, Natsu and Gray receive a job request from a Saint Wizard.

Erza turns into a child while trying to find the Eternal Flame and runs into Minerva, who has joined a dark guild. Natsu is also turned into a child by Doriate. Lucy and Wendy fight the treasure hunters and are saved by Flare.