When Sam’s daughter Kam is kidnapped after leading citywide protests he will stop at nothing to find her. Also Deeks rejoins NCIS and Callen searches for answers about Anna

When military grade technology is stolen, a deaf engineer, Sienna Marchione, who always wanted to serve her country, and the only member of her team to survive the theft, helps Kensi and NCIS track down the tech before it’s taken out of the country.

NCIS investigates the apparent suicide of a Navy intelligence officer who leapt to his death after taking LSD. Also, while Kensi is away, Deeks makes plans to redo the backyard without her input.

NCIS investigates the murder of a woman employed in the Navy’s missile defense program and its connection to stolen Navy missile technology. Also, a strict social worker stresses out Deeks, and Sam debates selling his boat.

NCIS investigates an arson attack at Global West Ventures Corp, a naval defense contractor. Also, Rountree connects with an ex and Kilbride gives Callen files on Pembrook.

The NCIS team must investigate when a Navy reservist is stabbed and his lab full of pesticides and insects is ransacked. Kilbride offers Sam the interim operations manager position. Rountree thinks about his future.