In Atlanta's Fulton County Jail, Colonel Mark Adger is sending 17 undercover volunteers into his facility to find solutions to contraband, drug smuggling, and gang violence.

The first five participants enter the Fulton County Jail and are immediately met with drug use, sexual behavior, and what it feels like to be locked in a cell for 12 hours.

As participants settle into Fulton County Jail and new ones enter, inmate suspicions and power-plays keep everyone on edge.

A violent fight in the women's pod and an abuse of power in pod 600 cause extended lockdowns, proving that the luck of the draw with cell mates can make or break the experience in jail.

The participants make uneasy alliances that could put them at risk, and face difficult obstacles in order to survive life on the inside.

A flood in the South Annex, escalating problems with cellmates, and respect issues push our participants to the brink of despair in the Fulton County Jail.

The male participants in 500 suspect each other of being in the program, while the women struggle to continue, and one may even drop out.

The participants at the Fulton County Jail find that small mistakes can have big consequences, as the Bloods in 500 continue to rise in power.

A chaotic mass evacuation drill in 500 turns dangerous when inmates slip their restraints, and a rumor about the program in the women's pod puts Mauri and Michelle in a vulnerable position.

An uproar in Zone 500 results when an inmate claims to be a Marine, Jon is taken advantage of by a new inmate with the same name, and Michelle gets caught in the middle of a drug deal gone wrong.

In the Fulton County Jail, participants Matt and Michelle are faced with tough choices regarding drug use that put their safety, and time in the program, at risk.

The participants endure their final days at the Fulton County jail, but one has to make the tough decision to stay another 60 days.

With season three of this groundbreaking series having come to a close, all eight participants are brought together with Colonel Mark Adger to talk about how they assimilated, survived and navigated the challenges.