When a Navy sailor washes up dead, the NCIS team brings CGIS Special Agent Pike to unmask the mystery and catch a possible serial killer on the island.
McGarrett enlists Joe's help after Danny and Chin are arrested for deadly past transgressions. Terry O'Quinn and Jimmy Buffett return.
When the Dobermans dig up what appears to be a human bone, Magnum and Higgins help Katsumoto investigate the murder of his former mentor.
