Fairy Tail is back, picking up where it left off, in the middle of the Grand Magic Games! But during a short break, Gajeel leads Natsu and Wendy to the underground dragon burial ground. Wendy uses her magic to communicate with a dragon's soul, which leads to them getting a revelatory history lesson involving two of their greatest foes!

In the dragon graveyard, Arcadios explains to Fairy Tail what he needs from them to make Project Eclipse work. He takes them to the king's palace, Mercurius, and shows them Eclipse, the actual portal designed to take a party back in time to kill Zeref! But not everyone in the kingdom is on board with changing history...

While everyone is focused on the last event at the Grand Magic Games, Team Natsu slips into the palace to try to spring the imprisoned Lucy. Meanwhile, Mavis, the progenitor of Fairy Tail, uses wartime strategy in a bid to lead her team to victory!

During the final event of the Grand Magic Games, Gray is tasked with beating Rufus, which is the key to Sabertooth's fall. But it seems to be a one-sided battle as Rufus uses his Memory Magic to make new magic, as well as causing Gray to forget his own!

Sabertooth has a new master! And Fairy Tail may be on top of the Grand Magic Games, but below the palace, Natsu and the others are still trapped in Palace Hell. And then things get worse when the hunters become the hunted... by the Garou Knights!

Though their appearances may be foolish, the Garou Knights are the strongest executioners in the kingdom! And now, the members of Fairy Tail's "away team" are separated from each other and forced into one-on-one combat against the knights.

When Lucy and Yukino get their Celestial Spirit keys back, they summon various old comrades to combat the goofy-looking but powerful Uosuke, master of natural disasters!