New rookies hit the line in New Mexico's prison system, where violence is at an all-time high and the notorious SNM gang has declared war on all COs.

Young rookies must face their fears while working with violent convicts and gang members.

The rookies must find ways to assert their authority or risk being preyed upon by predatory inmates.

Only the strong survive in prison, both inmate and officer alike. Purto and D'Angelo clash with antagonistic inmates.

Working in corrections tests patience and courage every day, and it's beginning to take a toll on the rookies. Mangin and Cordova must subdue a gang member after he threatens them. Israel refuses to follow prison protocol when a former SNM gang member intimidates him. Lilly gets a confidence boost when she discovers drugs in an inmate's mail, and Purto is called to a special assignment discharging a high-risk inmate. Written by MeMyselfAndI

For rookies, the mental game in prison can be even more challenging than the physical one. D'Angelo is frustrated when he has trouble catching inmates in his unit with contraband. Lilly learns a hard lesson about trusting inmates when a phone goes missing in the pod. Purto joins the elite STIU team to interview a gang member. New rookie Chaz hits the line and hopes to live up to his father's legacy. Written by MeMyselfAndI

Violence against New Mexico law enforcement is on the rise, and even the smallest mistake can become devastating. Mangin joins the extraction team and must forcibly remove an unwilling inmate from his cell. Israel makes an error when performing a drug test and Fabian loses track of inmates in his unit. Ariel starts a new post and goes too far to establish her authority, setting up a serious conflict.

The department's case against the prison gangs is building and the rookies must learn to find evidence that will take them down for good. Purto redeems himself with STIU and assists in a major SNM drug bust. D'Angelo finally finds drugs in the open dormitory. Mangin and Cordova respond to an emergency involving an irate inmate. Fabian is discouraged and has to call his brother for help.

After a few months on the job, some rookies are finding their footing as officers while others are starting to fall behind. Lilly works control in an SNM pod that's been locked down after a recent murder. Chaz gets ready for an extraction, and new cadet Javier excels in the training academy. Fabian makes a major mistake that puts his job in jeopardy. Ariel begins to doubt her career choice, and stops showing up to work...

Rookie correctional officers step foot into New Mexico prison and are taught to learn ways of handling criminals and their toughness.

Rookie correctional officers step foot into New Mexico prison and are taught to learn ways of handling criminals and their toughness.