In his efforts to try to get hold of all of the money Sucre runs into some unexpected difficulties. And Captain Bellick and his partner have not given up on finding their old inmates.
From tv.com
So we finally have it back!
So now we know why Kellerman shot the kid thanks to his conversation with Alex.
Sarah finally worked out the message (or part of it) on the birds. Sucre, well I kinda figured out that he wouldn't cross Michael, and that sneaky T Bag stealing all the money, then again he is a criminal so what did we expect?