Callen and Sam travel to Mexico to track down the only employee who escaped a professional hit at the Department of Defense. Back in the States, the rest of the NCIS team work to uncover the motive behind the shooting.moreless
Sonya and Marco make an unsettling discovery while tracking Eleanor. Later, Eva and Linder are reunited.
Despite their wounds, Sonya and Marco continue to pursue David Tate. Daniel's attempts at redemption may have come too late and Charlotte shows just how far she's willing to go to protect what is hers.moreless
The more Sonya digs, the more she's convinced Childress is not their guy but it takes another killing during a library dedication before the true culprit is revealed. Charlotte's suspicions of Ray become valid but may also be too late and Linder's fragile psyche becomes too much for him to bear.moreless
It's been two days since the ransom drop and Maria's rescue and the killer has yet to make contact. When he finally does, he tells Sonya the real reason the FBI have not been so forthcoming. Marco's wife learns of his infidelity and Calaca makes contact with Linder with surprising results.moreless
An unexpected source provides the necessary funds to meet the ransom demands but nobody is prepared for the ransom drop's outcome. After Charlotte reluctantly bends to the will of her late husband's "business associate," she learns what she did in private is no longer a secret.moreless
The poisoning of nine Mexican nationals lead the detectives to Steven Linder, a social worker who often uses unconventional methods for those under his care. Charlotte's refusal of a request for "business as usual" has grisly consequences.moreless
Marco and Sonya's investigation leads them to Daniel Frye, a reporter whom the killer has apparently selected, first as an unwilling accomplice and then as his messenger and liaison. Learning about the shocking secret concealed on her property introduces Charlotte to some of her late husband's shady partners and dealings.moreless
An El Paso detective, Sonya Cross, and Marco Ruiz, a Chihuahua State Police Officer, are forced to work together when the body of a murdered judge is found on the bridge connecting El Paso and Juarez and is linked to a serial killer operating on both sides of the border.moreless
Rob's father arrives for a visit with Maggie and her family.
Rob's plans for a romantic weekend at home with Maggie are derailed when Fernando and Rosa have an argument that leads them both to Rob and Maggie's home.
Hoping to slowly warm Rob up to the idea of having children one day, Maggie volunteers herself and Rob to babysit a six-month old for a day.
Worried that his wife's family is talking about him, Rob decides to learn Spanish. Hector helps while Maggie wonders what her husband is up to.
After revealing an embarrassing secret about Fernando and Rosa's past at a family gathering, Rob finds himself obsessing over what might be in Maggie's past. However, when he and Hector dig through her things in the attic, he not only betrays her trust but also finds out more than he bargained for.moreless
Maggie wants to remind Rob she is living with him by redecorating. Meanwhile, Fernando is tired of Hector's living with them so he makes him work at the car wash.
Rosa tries to talk Rob and Maggie into having a real wedding with family, until Fernando admits to Rob he spent all their money saved on a second event.
Rob meets his new wife's tight-knit Mexican family following their sudden marriage in Las Vegas.