When a drug dealer reports extortion by a New Orleans police officer, the FBI launches a full-scale investigation into dirty cops. But the sting turns deadly when wiretaps pick up threats to an undercover agent and a cop ordering a hit.
The FBI teams up with Massachusetts State Police to infiltrate, disrupt, and dismantle the extremely violent MS-13 gang network in Greater Boston. They get a break in their case when a recently deported Salvadoran man agrees to become their informant.
In rural Oklahoma, two young girls are found gunned down. After two years with no leads, the FBI profiles the killer, believing the cold-blooded murderer is a local who used two guns to execute the girls-and will likely kill again.
At a casino in Lake Tahoe, a bomb threat leads to a tense FBI mission. Unable to defuse the complex bomb, agents detonate it safely-but it destroys the hotel. As the FBI investigates, they uncover surprising connections to a gambling addict father.
When a woman from a small town in Oklahoma goes missing, state and FBI agents wonder if the suspect in that investigation fits the profile of the killer in the case of two young girls shot dead at the side of a country road - three years earlier.
In 2003, a disguised man robs the Xerox Federal Credit Union, killing one and injuring another. The case goes cold until 13 years later, when new DNA testing and a fresh tip bring a breakthrough, leading to a shocking resolution.
A serial rapist stalks the streets of Scarborough and police call in the FBI. Profiler Gregg McCrary sees a pattern of escalating violence and worries the suspect will resort to murder. When teenage girls turn up dead, his worst fears are confirmed.
A DNA hit links the Scarborough Rapist to murders, exposing a killer couple. The wife claims abuse and testifies, but home videos suggest she's just as guilty. Investigators uncover their dark past, including her sister's death.
The murder suspect is revealed to be a journalist reporting on his own crimes. He travels to Los Angeles, where more prostitutes are killed. As police close in, he flees to Miami with his girlfriend. U.S. Marshals track him down.
A serial killer is strangling prostitutes across Europe. Austrian police and the FBI profile him, linking the crimes to L.A. He taunts victims' families and vanishes just as authorities close in.
A woman withdraws $350,000 from a small-town bank, then passes a note saying she and her husband are being held at gunpoint. The clock is ticking as the FBI and local authorities race to rescue the couple before the kidnappers kill them.
Amidst ongoing betrayals, emotions explode. But eliminations continue, and complex feelings begin to overwhelm the remaining players.
As all the players gather to watch, the fate-deciding final battle begins; who will emerge as the ultimate brain and champion?
With one main match remaining before the finale, alliances face a true test; twists unfold, ultimately deciding the final two contestants.
New kids Caitlyn and Zac Torres navigate the hierarchy of Ironwood High School, and try to avoid the dark cloud of their notorious father. Logan struggles to make ends meet. Caitlyn meets Curtis, a loner caught in a tug of war between his father, the Sheriff, and his brother, a local criminal. Zac befriends the "unpopular" Marcel, while making an enemy of street racing champ, Harris Bowers.
Urged by Logan to repair his friendship with Marcel, Zac suggests they go to an unreasonably dangerous Go-Kart track. Curtis invites Caitlyn to a family BBQ, where a surprising guest joins them. Harris prepares for an upcoming street takeover. Sam discovers how much Ironwood has changed, while Logan reminds her that the best parts of Ironwood will always be there.
Homecoming. Marcel and Brooke's post-apocalyptic themed dance is a big hit. Zac hopes to meet up with Alicia. Hitting an electrical snag with the car, Caitlyn and Curtis wonder if they should skip the dance. Sam and Darren Bowers co-chaperone, looking out for “commotion.” Kiara is fed up with Noah. And one of the bank robbers from 17 years ago gets out of prison.
June faces her biggest challenge as Gilead cracks down on the rebels.
In a workshop, the group members are asked to strip off and face themselves in the mirror. The session proves too much for Louise, who reveals painful issues from her past, and encourages Charlotte to reveal her weight-loss surgery. Zac tries to impress the girls by dishing out compliments. Meanwhile, accountant Dave turns from sceptic to highflyer as he takes on a series of sexual firsts with surrogate-partner therapist Kat.