Agent Pike is ambushed while working under cover with a local Japanese crime family; Kai goes deeper into his investigation regarding an old friend turned criminal.
The team struggles to narrow down a suspect when threats against a company that endangers sharks turn deadly; Kamekona tries to earn his helicopter license.
The team reopens the 1983 case of a teenager who was killed before he could get justice for his slain girlfriend.
An operation to catch a businessman who is using acts of terror to manipulate the stock market is compromised, forcing the NCIS team to search for new leads.
Bishop is determined to get revenge for the murder of her late boyfriend, Qasim, after Gibbs and the team find a new lead in the Chen case; Torres teaches the agents the art of pickpocketing.