Ep 23. A Line in the Sand/Ninguna Salida

In NCIS: Los Angeles season 9 episode 23, titled "A Line in the Sand/Ninguna Salida," the team is called in to help when a Marine sergeant is found murdered in an alleyway. The case takes a dangerous turn when they discover that the victim was part of a group of Marines who went AWOL to help a friend in trouble south of the border.

As the team works to unravel the mystery of the sergeant's death, they find themselves embroiled in a cross-border operation that puts their lives at risk. And when a member of the team is captured by the drug cartel they're investigating, it becomes a race against time to rescue them before it's too late.

Meanwhile, Special Agent Kensi Blye (played by Daniela Ruah) is still recovering from the injuries she sustained in a previous episode, and struggles with feelings of guilt over her involvement in a case that went wrong. And as tensions rise between her and her partner, Special Agent Marty Deeks (played by Eric Christian Olsen), they must work to repair their relationship in order to stay focused on the mission at hand.

Overall, "A Line in the Sand/Ninguna Salida" is a tense and action-packed episode that will keep viewers on the edge of their seats. With strong performances from the cast and a gripping storyline, it's a must-watch for fans of the show.