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.

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

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.

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.

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

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.

After the most shocking finale in the program's history, all nine participants sit down with Journalist Soledad O'Brien and Colonel Mark Adger to discuss their experiences at the Fulton County Jail.

Six months after the completion of Phase One of Colonel Mark Adger's unprecedented program at the Fulton County Jail, the seven participants return to their everyday lives with new perspectives gained from their time behind bars.

Six months after the Season 4 program at the Fulton County Jail, we catch up with the most controversial group of participants 60 Days In has ever known.