Michael and Sara become more than "strangers on a train" en route to confront the President; Mahone recruits an new ally in his attempts to capture the fugitives; T-Bag puts on a happy face when the welcome wagon arrives; and a fourth escapee takes a fall.
Pride faces further backlash from the FBI when he helps former Navy Intelligence Analyst Elvis Bertrand (Tom Arnold), who is the lead suspect in a multiple homicide case.
