Ep 4. Search and Destroy

NCIS: Los Angeles season 1 episode 4, titled "Search and Destroy", follows the NCIS team as they investigate the death of a Marine who was killed in a car accident. However, things quickly become more complicated when the team discovers that the Marine was transporting a dangerous chemical that could be used in a terrorist attack.

As the team investigates further, they discover that the Marine was not working alone and was actually part of a larger plot involving a group of radicals who are planning to use the chemical to attack a nearby military base. The team begins to work tirelessly to uncover more information about the group and to prevent the attack from taking place.

Along the way, the team must confront their own personal demons and insecurities while they work to stop the dangerous plot. The team also receives help from an unexpected source and must work together to take down the group before it's too late.

With intense action and suspenseful moments throughout the episode, "Search and Destroy" is a thrilling addition to the NCIS: Los Angeles series that will keep viewers on the edge of their seats. As the team races against the clock to prevent a catastrophic attack, fans of the series will be deeply invested in the characters' struggles and triumphs and will be left eagerly anticipating the next episode.