How Many Secrets Can One Keep?

Some things are meant to remain hidden, but at times, they must be revealed for the greater good no matter how much it kills you inside.
Sirius has held a deep secret for over a decade but once she is presumably spotted, his secrets must come out.

Knowing the secrets will hurt himself more than the people around him, Sirius Black must hand over the box which holds the truth to his godson and his friends, to know what truly happened in the missing years he was in Azkaban.