AU. When Lily died, Snape removed his heart and replaced it with a steel trap. But rescuing her daughter from the Dursleys in the summer of '92 is the first step on a long road to discovering this is less true than he'd thought. A girl!Harry story, covering CoS - GoF. OotP - DH will continue in a separate installment. Future Snape/Harriet.
Harry Potter - Rated: M - English - Chapters: 92 - Words: 597,993 - Reviews: 3105 - Favs: 1,481 - Follows: 1,551 - Updated: 5/23 - Published: 10/16/2012 - Harry P., Severus S. - Complete