While Wilford emphasizes his rule aboard his icy train, Layton’s pirate train continues its dangerous quest for warm spots, and comes across something entirely unexpected.

Layton goes on the hunt, as Wilford works to boost morale. The resistance discovers a threat that could undermine everything they’ve worked for.

It’s a game of cat and mouse as both Layton and Wilford vie for the upper hand.

Layton and Till investigate the murders. Wilford leads Miss Audrey down a dark path.

An engineering catastrophe on Snowpiercer forces Layton to make a difficult choice, one that might cost him everything.

Wilford presses forward on his endgame while those who are close with Layton grow anxious to learn their fates; Josie tests her newfound ability.

As the train approaches Melanie’s retrieval point, Layton leads a furious attempt to try and pick her up but not without some sacrifices.

Mr. Wilford arrives and threatens Snowpiercer, so Melanie makes a move that can’t be undone.

An exchange is made between the two trains, but a far greater revelation might be just over the horizon.

In the spring of 1989, five boys of color are arrested, interrogated and coerced into confessing to the vicious attack of a woman in Central Park.

Abbi and Ilana travel to all of their least favorite parts of New York City in search of Abbi’s stolen phone, and Ilana hooks up with a guy who’s in…

Hannah takes on Katrina’s henchmen in her attempt to get Gabe to safety. Nick refuses to take no for an answer, seeing anyone in Kayla’s life as a potential threat…

Hannah takes the fight to Katrina, culminating in a final showdown as she tries to free Gabe. Afraid of what an unhinged Josh is capable of, Kayla breaks off from…

Fed up with the police’s investigation, Jordan’s need for answers quickly veers towards obsession. Kayla is determined to keep her and Nick’s relationship a secret, but Ethan’s jealousy threatens to…

Danny accompanies a dangerous ex-mobster who is helping him find bodies on cold cases in exchange for leniency for his son on grand theft auto. Meanwhile, Jamie works undercover in…

Refusing to collaborate with Dr. Zinberg on blood-transfusion research, an increasingly paranoid Thackery pushes himself to the limit, and beyond, in an effort to “solve the riddle” and beat his…

During surgery, Thackery’s hand is forced by Algernon, which irks Gallinger. A recovering Abigail regrets her involvement with Thackery and Sister Harriet and Cleary make a couple of deals. Meanwhile,…

A series of brutal home invasion robberies finds the team paired with Detective Borkowski, an old friend of Ruzek’s, to work the case. Things get complicated for Torres when it…

When Claire receives a phone call that may lead her to find her son, the FBI and Ryan Hardy set their next move into motion, causing panic at the farmhouse….

Joe Carroll’s true intentions are revealed through a new follower, Charlie. As Ryan learns of Joe’s plans, he tries to stall Emma, Jacob and Paul by taunting them in hopes…

With the help of attorney Olivia Warren, Joe Carroll makes a case against Ryan and the FBI to be transferred to a different facility, but Ryan suspects a larger plan…

With Joey Matthews still missing and the search for Joe Carroll escalating, the FBI brings in Nick Donovan to run lead on the case, much to Ryan and Parker’s dismay….

While Red argues in court to uphold the validity of his immunity agreement, Liz and the Task Force question a man whose recent inheritance seems too good to be true…

Maria convenes a special assembly in the chapel as the inmates plot their next move. Frieda makes use of the survival skills she learned as a kid.

Linda begins to see the prison in a new light, while Judy grows desperate to escape. With darkness falling, the inmates compile a list of demands.

Harvey and Louis take a drive to aid an out-­-of-­-town client to whom they both have deep ties; and Harvey uses the opportunity to force a confrontation between Louis and…

Time is running out before the trial and Mike wants to represent himself. Harvey wants lead and challenges Mike to a showdown. Louis attempts to get Sheila out of the…

Rachel and her mother, Laura Zane, plan for Rachel’s dream wedding, but Rachel fears the event may reveal Mike’s secret. Meanwhile Daniel Hardman and Jack Soloff make their move against…

Jessica and Harvey have to come up with a defense, even though Mike is guilty. Rachel must come to terms with her family’s reaction to the news that her fiancé…

Cameron continues to use dodgy tactics on Ava’s case; Rachel visits law schools; Mike reflects on the past.

Harvey’s efforts to free an innocent man hit a wall when he goes against the new district attorney, who seems more focused on the integrity of the system than justice.

A “closer” for one of New York City’s most successful law firms decides to hire an aloof genius who has passed the bar but never went to law school as…

Jessica hopes Harvey’s promotion will reign him in, but when a crisis arises with the first client he brought into the firm, Harvey goes rogue trying to fix it.

Mike’s life becomes complicated when an old friend reappears and needs his help. Harvey must decide between closing a multi-million dollar deal and helping his trusted driver defend himself against…

Mike is trusted to close a major lawsuit. Harvey must decide whether or not to defend Mike and his secret.

Mike and Harvey reflect on how their past decisions have impacted their situation.

Blackmail is the twelfth episode of the twentieth season of the television series Law & Order. It aired on NBC January 15, 2010.