Michael and Sarah become more than strangers on a train en route to confront the president; Mahone recruits a new ally in his bid to capture the fugitives; T-Bag puts on a happy face; a fourth escapee takes a fall.
Walt and Jesse appear to be in the clear, but now face trouble on their respective home fronts. Walt finds it's difficult to reconnect with Skyler and the rest of his family, while Jesse's parents kick him out of their house.
Brian is determined to get a football scholarship despite recent events; Tami runs into her high school boyfriend, now a real estate mogul; Jason must decide if he is willing to change his life completely; Tim continues his pursuit of Lyla.