Drill makes his final move in a deadly end-game.
Drill reveals which child that he possesses... or does he? Wes tries to save Minx, while Sean makes a deal with Goetz.
Claire and Wes convince President Winters to round up all the children in the hopes that they will negate Drill's primary weapon against them. However, Drill manages to infiltrate the quarantine facility.
The team attempt to destroy Drill once and for all using the knowledge that they've gained. However, if they fail, Drill's retribution will be swift and terrible.
Claire and the others attempt to keep Thomas Harcourt alive, in the hopes that he can provide information on Drill's ultimate goals. However, Drill sets a new plan in motion to kill his former "friend."moreless
When it becomes clear that Drill wasn't destroyed along with the rock, Claire and Sean seek out a man who underwent the same experience as Sean 30 years ago.
Sean has no choice but to help the government find a way to stop Drill, but asks for a night alone with his family first. Meanwhile, Lean continues communicating with Drill through Minx, and Frommer orders Jessup to take Henry into custody.moreless
After bringing together Drill's "friends," Claire and the FBI learn more about Drill. Meanwhile, Wes brings the recovered object back from Mali and Sean warns that it's calling to him.
While Claire meets with Sean, Wes finds a clue that leads him back to Mali... unaware that it's a trap set by Drill. Meanwhile, Lena grows increasingly nervous watching Minx for any signs that Drill is talking to her again.moreless
While Drill continues manipulating the children, Claire and Jessup discover that Sean was at the hospital... and is the man in Ms. Bellings' sketch. Meanwhile, the FBI trace the computer breach to Wes' home computer, and Maria receives an unexpected visitor.moreless
FBI Agent Claire Bennigan investigates a six-year-girl who attempted to murder her mother, and soon comes to believe that a mysterious person named Drill is manipulating children into killing their parents. Meanwhile, Defense Department agent Wes Lawrence is summoned to the Sahara Desert to investigate a bizarre fulgurite structure holding a missing F-22 that disappeared 4,000 miles away.moreless
Ryan's assignment as part of a congressman's security detail at a charity event puts him in the middle of an assassination plot. Castle and Beckett help him re-examine the events leading up to the shooting to apprehend the killer.moreless
Frank makes a deal with Petrov, but Claire is the casualty. Meanwhile, Doug reaches out to his brother.
Moretti goes undercover to investigate the brutal murders of meat-company owners. Meanwhile, Pierce contemplates making a personal confession to Moretti.
On their field trip day, the students of Ballard High school that educates the children of Washington, D.C.'s elite get kidnapped. Now, their most powerful parents must take decisions of their own for safe return of their children.moreless
A baseball player confronts his fear of flying with the help of Dani. Meanwhile, TK has to deal with a new coach and Nico comes back.
Jody Adair escapes custody, leaving Raylan compelled to track him down. Boyd and Ava work their way into a high society party to fish out Drew Thompson, but find far more than they expected.moreless
Francis returns to his alma mater to have a library dedicated in his name. Peter Russo goes home to Philadelphia to make amends to the shipyard workers who lost their jobs and to propose a solution for the future.moreless
The gang search for medical supplies for Nora. They come to a large house occupied by a gang. The leader, Drexel, knows and isn't too fond of Miles. Drexel then threatens Charlie into infiltrating and killing the leader of a local settlement who has been burning their opium poppy fields. Neville delivers Danny to Monroe.moreless
Annie tries to turn the chief of staff for the prime minister of Yemen into a CIA asset despite warnings from the State Department.
Raylan's and Quarles's beef escalates, and Boyd makes a pact with Dickie Bennett in a last desparate attempt to recover Dickie's three-million dollar inheritance from Limehouse.
While Raylan Givens prepares to confront two dangerous killers from Detroit, the beef between Boyd Crowder and Robert Quarles becomes increasingly volatile.
Boyd and Quarles go head-to-head in their fight for their candidate to win the election, and Raylan finds it increasingly harder keeping Dickie in prison
Raylan tracks a southern mafia soldier, who maybe the answer in taking out Quarles, meanwhile Ava shows her tough side.
Boyd tangles with Harlan's dirty sheriff, and Raylan is forced to face his past after a vile murder takes place.
Raylan gets himself tangled with the FBI on his endeavers to derail Quarles and the Detroit mob.
Horatio and his team investigate when someone starts killing three recently released prisoners, after the court overturned their original convictions.
While Annie runs the extraction of a Chinese scientist named Shen Yue who is willing to defect, she runs into complications and is forced to make a difficult choice.