Ep 1. Endgame

In NCIS: Los Angeles season 4 episode 1 titled "Endgame," the team is tasked with tracking down a missing agent who has been kidnapped by a group of dangerous criminals. The agent was on the brink of uncovering a major arms trafficking ring when she was taken, and the team must race against time to find her before she is tortured for information or worse.

As they investigate, the team discovers that the kidnapping is just the tip of the iceberg in a much larger plot involving a powerful and ruthless cartel. The FBI and the DEA are also involved in the case, and tensions run high as the different agencies struggle to work together towards a common goal.

Meanwhile, tensions are also high within the team itself as Hetty's absence leaves a leadership vacuum that threatens to tear them apart. Sam and Callen, in particular, clash over their differing opinions on how to handle the case and the missing agent.

As the case unfolds, the team must navigate a dangerous web of deception and betrayal, with twists and turns that keep them guessing until the very end. Along the way, they must also confront their own vulnerabilities and insecurities, as they race against time to save one of their own and bring the criminals to justice.

Overall, NCIS: Los Angeles season 4 episode 1 is an intense and action-packed adventure that keeps viewers on the edge of their seats from start to finish. With a compelling storyline, dynamic characters, and thrilling action sequences, it is a must-watch for fans of the series and newcomers alike.