Michael and a badly wounded Lincoln try to outmanoeuvre Mahone, who is hot on their trail, and enlist the help of an old friend. Meanwhile, Sara is arrested upon her release from hospital.
A troubled survivor finds allies in an unexpected place, and the life Madison has fought to build comes under threat.
In their continued struggle for survival, Madison and Morgan try to help Nick finally find his inner peace. Meanwhile, a quest for revenge exacts its toll on members of the group.
In her struggle for survival, Madison fights to preserve the life she worked so hard to build and find protect her children. Meanwhile, Morgan attempts to do the right thing.
Madison's decision to help an adversary has unintended consequences, John Dorie's life hangs in the balance.