Jason and the SEAL Team refuse to abort a mission to capture a dangerous war criminal after it goes sideways. Also, Clay's controversial father, Ash Spenser (C. Thomas Howell), comes to town on his book tour.
Jake’s undercover FBI operation ends in a successful sting, until he learns one mobster has gotten away. As Jake enlists Charles’ help to track him down, Holt tests the squad’s patience with practice drills.
A boxer's death leads Vance to start up his own investigation, causing a sparring match with Gibbs.
Lieutenant Stillman asks Rush to investigate the 1980 unsolved murder of an 8-year-old boy. Stillman worked the case and is still haunted by it. Initially, the team focuses on a local thug who quickly moved away after the killing.
The NCIS team investigates the murder of a sailor during a rowdy motorcycle rally in the city. Also, Lasalle turns to Gregorio for advice on his personal life. The band Blackberry Smoke performs.