Fate/Zero (2011)

S01E06 A Night of Schemes

Under the glow of the moon, a car races through the streets of Fuyuki City, driven by the carefree Irisviel, with a visibly anxious Saber in the passenger seat. Their night takes a troubling twist when an enigmatic shadow suddenly appears in their path. The figure asserts they are Saber's devoted retainer, but Saber is left confused, having no recollection of them at all…