Sean McGraw

Susan takes the escape into her own hands; Lechero reveals a secret buried beneath Sona; Sofia uncovers more of Whistler's past; Mahone's freedom hinges on his testimony.

Walker breaks in a new partner while protecting Alex from an ex-sheriff turned prisoner who blames Alex for putting him in jail and seeks revenge.

Deke and Marge embrace new roles to accommodate his new status; things start to thaw between Gordo and Trudy.

Walker and Trivette, despite having no jurisdiction, travel to Mexico to rescue a captured D.E.A. agent, who is an old friend of Walker, from a Mexican drug cartel.

Walker and Trivette (Chuck Norris, Clarence Gilyard) must save Alex (Sheree J. Wilson) from a kidnapper before she is murdered.

Walker is left alone under cover in a maximum security prison when his backup, Trivette, is discovered and expulsed by the corrupt warden.