NCIS agents from Washington, D.C., Los Angeles and Hawai’i, all in D.C. to attend the retirement party of a beloved Federal Law Enforcement Training Center (FLETC) professor, find themselves jointly investigating his shocking suicide. The crossover continues on NCIS: Hawai’i S02E10 Deep Fake (II) and NCIS: Los Angeles S14E10 A Long Time Coming (III).