In the cell that the warden locks you in, you can slide the bed back to reveal a hidden tunnel. Climb down to discover the secret of the Tireless Thief. You also find a pickaxe that you can use to escape the cell.
They are on Ellis island
Go back into the prison cell and use your pick-axe (which you should have grabbed in the tunnel) to escape the cell.
go to the lighthouse.
the wardens office is on level H
You can. I completed that island months ago.
go to prison h
in the prison office
Use the pickax to break out.
on level D
Use the sardines you found in the tunnel at the prison.
Use the sardines from the tunnel at the prison.
You can only do this with the sardines you get from the tunnel at the prison.