NCIS: Hawai'i star Alex Tarrant has opened up about what to expect from the season 3 finale, confirming both a cliffhanger ending and the return of a familiar character. The procedural follows a team of agents who deal with new national security issues every week. Sometimes, this includes familiar faces coming back for major events, such as season premieres or finales.
https://screenrant.com/ncis-hawaii-season-3-ending-cliffhanger-character-return/