Cynthia Kaye McWilliams

Teresa Colvin, the city's first female superintendent, petitions for a corruption task force to investigate an entrepreneur-turned-politician; Colvin's ex-partner, Jarek, investigates a suspicious murder with his new partner, Caleb.

Flashbacks unveil how Lincoln, Sucre, T-Bag, C-Note and Dr Sara ended up in prison and what drove Michael to plan his brother's escape.

Michael and Lincoln experience car trouble; Sucre tries to stop Maricruz from taking a gamble; C-Note wants to reunite with his wife and daughter; Bellick partners with an unlikely ally.

With Lincoln's execution just minutes away, the team make a break for it.

As Michael struggles to remember missing pieces of the prison schematics, guards place him in solitary for refusing to name names.

Michael puts the moves on Mahone's wife, trying to dig up dirt on his pursuer; Lincoln and L.J. have an uneasy road-trip; C-Note's wife must choose between her husband and daughter; T-Bag gets an unwelcome surprise.