Lincoln says farewell to another loved one; Michael's attempt to secure a getaway plane goes nowhere; Mahone deciphers a crucial puzzle-piece; T-Bag gets revenge on his tormenters; Sarah and Kellerman have a tense face-off.
A hostile government forces a family to go on the run and fights to survive.
Walt and the team track missing teenage campers on a leadership trip in the wilderness; Branch continues his unauthorised search for his shooter.
A would-be ranger's vigilantism against escaped criminals victimises innocent bystanders; Evie falls in love.
Clues about the death of a high school football coach lead Walker and Trivette to a Las Vegas gambling ring.