When a Navy Admiral’s daughter is the prime suspect in a double murder case aboard a research boat, the NCIS team partners with the Coast Guard Investigative Service (CGIS) to work the case. Meanwhile, Lasalle tracks down his estranged brother.
Evan Connor's wife, Jennifer, arrives on post hoping to get involved in the FRG; Denise decides to redecorate the house and get a tattoo; Roland's mother comes to visit the new baby.
