my heart is a prisoner

Harry Potter - J. K. Rowling
G
my heart is a prisoner
Summary
When Sirius Black is found guilty and put on death row for the murder of Peter Pettigrew no one believes he is innocent, not even his own brother. That is until Sirius only has a month left to live and Regulus is desperate, how far is he willing to go to prove his brother's innocence and how far are they willing to go to prove the opposite?

Chapter 1

Will Regulus regret this? Probably. Is that going to stop him? Of course not. Three years ago he would've laughed in the judges face, three years ago he was willing to watch his brother die