Episode list

Undercover ATF and DEA Agents are reminded to never judge a book by its cover and to always be on their toes. Even small-time suspects have the potential to unleash terror - and no place seems safe or off-limits.

Undercover agent Dominick Polifrone aims to pass himself off as a mobster to stop a serial killer known as "The Iceman".

ATF Special Agent Scott Perala is reminded of the importance of listening to your gut. Working a community impact investigation, agent Perala is doing drug and gun buys across Daytona Beach and Cocoa in an attempt to cast the widest net possible for suspects. After multiple deals, Agent Perala feels invincible but losing fear could cost Agent Perala his life when a drug deal takes a turn for the worse. In a separate investigation, a tipster claims that a suspect awaiting trial for rape at Rikers is planning a second attack on his alleged victim from behind bars. He's reportedly trying to prevent her from testifying and aims to bolster a fake insanity defense. Undercover NYPD Det. Chuck Byam, poses as a hitman and goes inside the notorious jail to investigate but any moment could be recognized by any one of hundreds of criminals he's arrested over the years.

ATF Special Agents Dobyns and Kilday infiltrate the lives of two different suspects. When Agent Dobyns meets a young man selling sawed-off shotguns he learns that the crew may expand into home invasions. Eager to thwart the plan, he races to secure enough evidence to take down the entire crew. Further North, Special Agent Wayne Kilday's tries to protect the life of another Law Enforcement Officer believed to be in the cross-hairs of a vengeful meth dealer.

An Undercover NYPD officer and an ATF Special Agent learn firsthand not to trust a suspect's demeanor, regardless of how amicable it may appear. Forced to rely on their cover teams for support, Shaulene Wright and Scott Perala navigate the challenging terrain of deception in the undercover world.

Agent Lyle Kirian offers an inside look at his team's elaborate "storefront sting" devised to investigate the illegal gun and drug trade in a small community. Things get heated when a midnight robbery threatens to reveal the entire undercover operation. Meanwhile, DEA Special Agent Brian Townsend investigates drug trafficking in a quiet Arkansas community which is believed to be the work of a cartel from the Gulf of Mexico.

Known as the FBI's very own "Indiana Jones", Special Agent Robert Wittman is key in an operation that spans from Los Angeles to Denmark. An investigation into a suspected crime ring gains momentum after the FBI overhears information that seems to connect them to an infamous art heist. In St. Louis, FBI agent Frank Brostrom goes undercover to investigate a middle-aged woman who claims to want revenge against her ex-husband - and may even solicit the agent to commit murder.

When a shootout erupts in the Bronx, the aftermath changes the trajectory of a young Jerry Speziale's career from the daily beat to undercover streets. In an investigation in Central America, he investigates cocaine trafficking in an effort to bring an infamous cartel to justice. Special Agent Ed Newcomer meets fellow Fish and Wildlife Service Special Agent Dirk Hoy and together they track down Birmingham Roller Pigeon trainers who are suspected of decimating the hawk population in California.

World-renowned FBI Special Agent, Robert Wittman, finds himself face-to-face with a St. Louis "Sheik" who is trying to sell a fake Rembrandt and pass it off as real. In Broward County Florida, Detective Cesar Morales is tipped off on a string of robberies plaguing the community. A little to the North, in Brevard County, ATF agent Scott Perala aims to take down a dangerous career criminal.

On the last day of Bergen County Detective Carlos James's undercover career, an attempted drug-buy becomes a life-or-death scenario when guns start blazing. In Bristol, Virginia, Undercover agent Jennifer Eskew goes undercover across state lines and finds herself facing the delusions of a suspect. While undercover, she is solicited to kill a woman's husband - is the suspect's motive love, greed, or both? In South Carolina, Undercover Officer Matt Pitcher moves through the Charlotte city nightlife to investigate crime and corruption that may involve the city's mayor.