Lily and Severus secretly got married and had twin girls, Athena and Calypso. Lily tragically died soon after. In his grief, Severus joined the Death Eaters, while his mum took care of the girls. Following the prologue, the story picks up in in the summer of '95, after Voldemort's return, when the girls are around sixteen.

Marauders take the lab portion of a driving exam. Told through the eyes of a middle-aged, unimaginative Muggle.