After one month of performing menial tasks, Ritsuka and Mash are assigned by Gilgamesh to investigate the neighboring city of Ur. They travel there with Merlin and Ana, where both Ritsuka and Merlin suspect the Grail in Gilgamesh's possession is not the cause of the Seventh Singularity. They then have a brief and confusing encounter with a woman calling herself "Jaguar Warrior" before she disappears. Upon arriving at Ur, the residents claim they are in no danger and do not require Gilgamesh's protection...