NCIS: Los Angeles

After an architect duo who specializes in designing secure buildings is kidnapped, the NCIS team mounts a search to bring them home. Deeks and Kensi realize they may need to get Rosa some help with her schoolwork.

When a Marine falls ill during a training mission due to an attack by a genetic weapon, the NCIS must track down the person responsible for unleashing it. Also, Deeks struggles with balancing work and home life when Rosa comes down with the flu.

The NCIS team must quickly find Kensi and Fatima after they are kidnapped and drugged while searching for a missing Navy lieutenant who they learn has ties to a dangerous Islamic militia.

When a mystery woman attacks the founder of an AI company, the NCIS team must identify the woman before the next major global conflict ensues. Also, Kilbride's ex-wife, Elizabeth, comes to visit and asks him to think about reconnecting with their son.

When a petty officer is found dead with an apparent suicide note, the NCIS team must investigate the mystery surrounding his death. Also, Callen and Anna begin wedding planning and Sam has a heart to heart with his daughter.

Sam Hanna must go undercover as a fighter to catch the leader of a gang dealing drugs on the streets.

When the NCIS team receives a cryptic, urgent message, Fatima and Rountree must work together to solve the case. Also, Kilbride plans to visit his son, and Callen asks Sam to be his best man.

When four people, including a CIA officer, are shot and killed in broad daylight, the NCIS team suspects the attacks have something to do with DRONA. Also, Pembrook meets with Callen and gives more insight into his past.