When a Marine corporal dies in a tide pool after being exposed to fentanyl, the NCIS team must quickly find the source of the drugs; Alex talks to his parents about taking a gap year; Ernie reveals personal news to Lucy.
Quest roles:
Seana Kofoed(Carla Chase), Anthony Ruivivar(Daniel Tennant), Cassandra Blair(Amanda Lee), Cher Alvarez(Bam Bam)