North Branch Correctional Institution (NBCI) is a masterwork of prison design that have bulletproof cells that lock without keys, hundreds of cameras and a collection of weapons and military equipments to hold the prisoners. Located just 200KM from Washington DC, it is one of the most secure prisons in the World surrounded by fatal razor like wires.
As shown in the film, North Branch Correctional Institution (NBCI) is the most latest and advance design of prisons. Its frightening defensive walls, observation systems, and escape proof cells make it one of the most secure prisons in the World. Up to now, no one has run away from this prison, but the inmates here will continue attempting, and one day one of them may be successful and this prison will make way to build stronger and even bigger prisons.