Jackal's Call

Captured during the battle of the Department of Mysteries, Sirius Black poses a huge threat to the future of the Order of the Phoenix. Dumbledore's machinations will need to change if Bellatrix manages to turn him over to Lord Voldemort. Understanding what is at stake, Remus and Kingsley are sent to find him before it's too late. TUMBLR PROMPT, AU after the DoM fight in OotP