Sirius and Regulus each had a daughter the same year as Harry Potter there Mothers are unknown to everyone but the girls. What happens when one was born the same day as Harry and the other 3 months later. Both Blacks hide, what happens when they get transferred to Hogwarts for what would be there 3rd year if they were normal. Sirius is going to get help by two 13 year old Aurors who know the truth. However like every story there is a twist or in this situation a whole butt load. A normal year is never the case with these troublesome two.
5 parts