As the dust settles and Fairy Tail recovers from their kind-of-a-defeat by the hand of the Legion, Team Natsu decides they won't give up so easily and head to the Heartfilia mansion to search for clues concerning the clock hand that the Legion stole from Lucy.

Natus and Lucy's expedition team discovers a strange gateway in the middle of the desert that leads to a dangerous underground dungeon. Elsewhere, Gray's team discovers a puzzle-filled cave--and Sugar Boy.