Both Miller and Purcell have signed on to reprise their lead roles, as brothers Michael Scofield and Lincoln Burrows, while TVLine hears that talks thus far are underway with both Sarah Wayne Callies and Robert Knepper, to return as Sara and T-Bag.
Michael and Mahone try to lure Whistler out of his hiding place. T-Bag gains some upward momentum in the prison hierarchy as the water supply is running low. Lincoln meets familiar and not so familiar faces on his quest to free Michael.