As the Order knows full-well, only the pure of heart can cast a Patronus. When Snape saves Harry from the dementors and reveals his doe Patronus, the Order have reason to trust their spy. Snape knows that he could aid the war effort with his logic and ingenuity, but will the Order trust him enough to accept it? Order of the Phoenix, Snape-centric AU
Rated: T - English - Adventure/Hurt/Comfort - Chapters: 19 - Words: 104,491 - Reviews: 257 - Favs: 382 - Follows: 461 - Updated: 5/8/2020 - Published: 9/23/2017 - Sirius B., Remus L., Severus S.