In the aftermath of an event that strikes close to home, the NCIS team unites to seek answers and demand justice in order to protect their most vulnerable colleagues.

After the shocking events at the school marathon, Aria, Emily and Spencer are sure now more than ever that Mona is up to her old tricks. Hanna, still holding out hope for her former friend, is not so sure. With Mona seemingly popping up everywhere, it sure seems like she has a plan. But with no real evidence to prove Mona is back to her evil ways, how can the Liars prove what they believe to be true?

Meanwhile, Aria's fears about her father grow stronger when something vital that is hidden in her room goes missing.

Burt tells Jimmy that he needs to buy Sabrina a nice engagement ring, even if she claims she doesn't need one, so Jimmy starts volunteering for a series of exotic medical experiments to come up with the cash. Meanwhile Virginia has been pawning her engagement ring for years behind Burt's back to pay for odds and ends. But when Jimmy visits the pawnshop and falls in love with his own mom's ring, her secret may be out.

With Lavon preoccupied with his personal life, he lets his Mayoral duties slip at the worst time, as BlueBell's Pioneer Day is fast approaching and a reporter from Southern Living magazine is in town. Seeing that he needs help, Zoe and Wade volunteer to help him out by playing BlueBell's "Founding Couple". Zoe is also trying a new tact when it comes to her relationship with Wade, which has her taking on many new projects. Lemon and AnnaBeth devise a plan to get Lavon to let them cater the First Feast, in order to get some publicity for their new business. Meanwhile, George gives advice to Brick on how to handle his new relationship.

Tommy finally brings around his new girlfriend, Lila, to meet the gang. But when Kate suggests the two women get to know each other, things don't go as planned. Meanwhile, Ben moves forward with his "Rail Mall" business plan.

A warehouse overflowing with broken electronics prompts Seth to go behind his father's back and order a dumpster in which to deposit the junk; and Ashley has a run-in with a woman whose pawn experience isn't to her liking. Meanwhile, a man claiming to be a lawyer tries to unload some jewels that may be fake.

A distraught widow is suspicious of the circumstances surrounding her Marine husband's last battle and Sam and Callen help to determine if there has been a cover-up. Meanwhile, Hetty summons Operational Psychologist Nate Getz to be her "pawn" and the rest of the NCIS: LA sense another evaluation on the horizon.

When Ryan, Jane's ex, comes to town for a visit, Brad is surprised to learn that Ryan is a woman. Meanwhile Max gets a super cool new roommate, Chase, who immediately upgrades the apartment with expensive furniture and gadgets. The gang is in awe, but when Chase suddenly disappears, they start snooping into his private life.

Sutton steps up her plans to win back Ethan, and makes a point to let Emma know her intentions. Feeling left out of Emma and Thayer's growing closeness, Mads visits her father in prison and shocks Emma with a family revelation. Dan continues his investigation into Derek's murder, regardless of Alec's arrest, and Jordan starts at his new school and tries to get close to Laurel.

When Nick's con-man father suddenly reappears, Jess tries her best to fix the two men's relationship, despite Nick's fears that he's being used in another one of his dad's gambling schemes. Meanwhile, Schmidt teams up with Robby to try to win back Cece.

Tamera prepares for her baby's arrival, but fails to involve her sister in last-minute preparations; Tia gets bad news about her television project.

The fourteen new makeup artists meet on the Queen Elizabeth for a foundation challenge involving crowns. After one of them wins immunity, the rest move onto a spotlight challenge where they must make goblin kings incorporating the lands of the kingdoms they rule.

Despite Carrie's warning, Ryan wants to get his first date out of the way and asks Carrie's flaky friend, but not without a little competition from Shaun White. Meanwhile, Yolanda starts a new job at the hospital where Sonia works and tries to reinvent herself.

After a year long absence, Dr. A.J. Aquino returns to Denver Memorial, but before he can rejoin the staff, the Chief insists that he make peace with Dr. Bandari. Emily is tasked with treating a patient who claims to be a psychic, and is convinced that her tarot cards predict her own impending death. Elsewhere, Cassandra and Dr. Bandari treat a patient who needs a lung transplant, but Micah's discovery of a new medical issue leaves the patient with a tough decision. Meanwhile, Emily decides to test her theory that Will was jealous of her recent date, so Tyra offers to teach Emily how to flirt.

The connection between a manic patient's hallucinations and a violent murder are investigated.

June and Mark are obsessed with a reality dating show, and Chloe convinces June to go out there and actually get in the game herself. But when Chloe and June end up asking the same guy out, they get sucked into their very own pseudo dating show, with James orchestrating various dating challenges as they compete to win this guy's affection.

After a failed attempt at finding a nanny, Bryan and David contemplate the idea of a stay-at-home dad. Both express interest in the role and decide to practice parenting by sending Goldie to a spa and taking in Shania. Bryan, convinced that he is the man for the job, gives Rocky a shot at her dream career by leaving her in charge at "Sing", but he soon finds that producing a child's life is much more difficult than producing a television show. Later, David confidently takes over and quickly realizes that despite his best intentions parenting is not an exact science.

Mindy's goddaughter, Riley, demands that Mindy get a bunk bed for their sleepover. But Mindy's plan veers off-track when Morgan and Danny help to build the bed, and it collapses, injuring Gwen in the process. Meanwhile, Shauna and Betsy find some surprising items when they snoop through the office in an attempt to find out who's stealing the People magazines.

Addison attends Henry's court date and realizes that the judge still has some concerns about Jake's past, Sheldon introduces Miranda to his friends, and Cooper's efforts to secure a dream house are put on hold when Charlotte goes into labor.

Jules releases Travis from mandatory family night, but when he stays away too long, she becomes crazed. Ellie discovers she can get Andy to do anything she wants by training him like a dog. And the guys grow mustaches to look cool like Tom Selleck.

As Victor's adoption deadline draws near, Julia and Joel contemplate the long term effects of this decision. Renee oversteps her boundaries and intrudes on Crosby and Jasmine. Upon advice offered by Zeek and Amber, Ryan seeks to make amends with Joel. Meanwhile, Mark and Sarah discuss their relationship, concerning Hank. Kristina (Monica Potter) supports Max with a unique campaign.

Raylan tangles with members of a dangerous family. Meanwhile, Boyd targets an unusual preacher.

The entire Lamb family is blindsided when a former flame of Sheriff Lamb's shows up asking for help in finding the man who beat up her husband. Meanwhile, Savino confronts the snitch inside his casino and deals with it in a startling way.

Bob Schieffer

Baron Vaughn

Jared Diamond

Jennifer Lawrence, Alan Zwiebel, A$AP Rocky

Jessica Simpson, D.L. Hughley, Vintage Trouble

Lena Dunham, Bill Pullman

Umesh Varma bursts into a study where Leonard Quinton is sleeping, to inform him that he is going to die that same day. Lady Felicia invites Father Brown to a poetry recital at the Quinton's. Mrs McCarthy joins them and after they show up she mistakes Violet for Leonard's wife. After Leonard's body is discovered hanging in the conservatory Father Brown investigates.