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 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.
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.
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.