A massive earthquake rocks the city and throws everyone’s patrols and its citizens into chaos.
The BAU team heads to Texas to track a serial killer targeting illegal immigrants attempting to make safe passage into the U.S.
Michael seeks the help of his fellow prison inhabitants to execute his escape plan.
Michael must delay his plan to escape when Haywire develops a fascination with his tattoo.
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.